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Finding the Fourth Proportional to 6,042.12, 8,330.94 and 5,482.68

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Solution

The fourth proportional to 6,042.12, 8,330.94 and 5,482.68 is: 7,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.12 : 8,330.94 = 5,482.68 : x
  2. Step 2: Convert to fraction form
    6,042.12/8,330.94 = 5,482.68/x
  3. Step 3: Cross multiply
    6,042.12x = 8,330.94 × 5,482.68
  4. Step 4: Simplify right side
    6,042.12x = 45,675,878.12
  5. Step 5: Solve for x
    x = 45,675,878.12/6,042.12
  6. Step 6: Final answer
    x = 7,559.58

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Half scale
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Double scale
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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.