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Finding the Fourth Proportional to 61,616.16, 85,031.52 and 34,753.40

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Solution

The fourth proportional to 61,616.16, 85,031.52 and 34,753.40 is: 47,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616.16 : 85,031.52 = 34,753.40 : x
  2. Step 2: Convert to fraction form
    61,616.16/85,031.52 = 34,753.40/x
  3. Step 3: Cross multiply
    61,616.16x = 85,031.52 × 34,753.40
  4. Step 4: Simplify right side
    61,616.16x = 2,955,134,427.17
  5. Step 5: Solve for x
    x = 2,955,134,427.17/61,616.16
  6. Step 6: Final answer
    x = 47,960.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.