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Finding the Fourth Proportional to 57,335.32, 85,969.02 and 17,342.17

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Solution

The fourth proportional to 57,335.32, 85,969.02 and 17,342.17 is: 26,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.32 : 85,969.02 = 17,342.17 : x
  2. Step 2: Convert to fraction form
    57,335.32/85,969.02 = 17,342.17/x
  3. Step 3: Cross multiply
    57,335.32x = 85,969.02 × 17,342.17
  4. Step 4: Simplify right side
    57,335.32x = 1,490,889,487.79
  5. Step 5: Solve for x
    x = 1,490,889,487.79/57,335.32
  6. Step 6: Final answer
    x = 26,002.99

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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.