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Finding the Fourth Proportional to 55,358.67, 83,038.68 and 15,916.13

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Solution

The fourth proportional to 55,358.67, 83,038.68 and 15,916.13 is: 23,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.67 : 83,038.68 = 15,916.13 : x
  2. Step 2: Convert to fraction form
    55,358.67/83,038.68 = 15,916.13/x
  3. Step 3: Cross multiply
    55,358.67x = 83,038.68 × 15,916.13
  4. Step 4: Simplify right side
    55,358.67x = 1,321,654,010.72
  5. Step 5: Solve for x
    x = 1,321,654,010.72/55,358.67
  6. Step 6: Final answer
    x = 23,874.38

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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.