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Finding the Fourth Proportional to 62,616.96, 86,411.52 and 34,322.40

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Solution

The fourth proportional to 62,616.96, 86,411.52 and 34,322.40 is: 47,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.96 : 86,411.52 = 34,322.40 : x
  2. Step 2: Convert to fraction form
    62,616.96/86,411.52 = 34,322.40/x
  3. Step 3: Cross multiply
    62,616.96x = 86,411.52 × 34,322.40
  4. Step 4: Simplify right side
    62,616.96x = 2,965,850,754.05
  5. Step 5: Solve for x
    x = 2,965,850,754.05/62,616.96
  6. Step 6: Final answer
    x = 47,364.98

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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.