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Finding the Fourth Proportional to 4,854.76, 6,699.56 and 2,646.76

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Solution

The fourth proportional to 4,854.76, 6,699.56 and 2,646.76 is: 3,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.76 : 6,699.56 = 2,646.76 : x
  2. Step 2: Convert to fraction form
    4,854.76/6,699.56 = 2,646.76/x
  3. Step 3: Cross multiply
    4,854.76x = 6,699.56 × 2,646.76
  4. Step 4: Simplify right side
    4,854.76x = 17,732,127.43
  5. Step 5: Solve for x
    x = 17,732,127.43/4,854.76
  6. Step 6: Final answer
    x = 3,652.52

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Half scale
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Double scale
Find fourth proportional to 4,855.76, 6,700.94 and 2,647.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.