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Finding the Fourth Proportional to 57,038.06, 85,557.10 and 15,485.06

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Solution

The fourth proportional to 57,038.06, 85,557.10 and 15,485.06 is: 23,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.06 : 85,557.10 = 15,485.06 : x
  2. Step 2: Convert to fraction form
    57,038.06/85,557.10 = 15,485.06/x
  3. Step 3: Cross multiply
    57,038.06x = 85,557.10 × 15,485.06
  4. Step 4: Simplify right side
    57,038.06x = 1,324,857,002.11
  5. Step 5: Solve for x
    x = 1,324,857,002.11/57,038.06
  6. Step 6: Final answer
    x = 23,227.59

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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.