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Finding the Fourth Proportional to 5,338.16, 8,011.02 and 1,875.68

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Solution

The fourth proportional to 5,338.16, 8,011.02 and 1,875.68 is: 2,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.16 : 8,011.02 = 1,875.68 : x
  2. Step 2: Convert to fraction form
    5,338.16/8,011.02 = 1,875.68/x
  3. Step 3: Cross multiply
    5,338.16x = 8,011.02 × 1,875.68
  4. Step 4: Simplify right side
    5,338.16x = 15,026,109.99
  5. Step 5: Solve for x
    x = 15,026,109.99/5,338.16
  6. Step 6: Final answer
    x = 2,814.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.