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Finding the Fourth Proportional to 57,133.92, 85,699.95 and 15,580.92

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Solution

The fourth proportional to 57,133.92, 85,699.95 and 15,580.92 is: 23,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,133.92 : 85,699.95 = 15,580.92 : x
  2. Step 2: Convert to fraction form
    57,133.92/85,699.95 = 15,580.92/x
  3. Step 3: Cross multiply
    57,133.92x = 85,699.95 × 15,580.92
  4. Step 4: Simplify right side
    57,133.92x = 1,335,284,064.95
  5. Step 5: Solve for x
    x = 1,335,284,064.95/57,133.92
  6. Step 6: Final answer
    x = 23,371.13

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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.