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Finding the Fourth Proportional to 61,366.64, 84,686.47 and 34,508.92

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Solution

The fourth proportional to 61,366.64, 84,686.47 and 34,508.92 is: 47,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.64 : 84,686.47 = 34,508.92 : x
  2. Step 2: Convert to fraction form
    61,366.64/84,686.47 = 34,508.92/x
  3. Step 3: Cross multiply
    61,366.64x = 84,686.47 × 34,508.92
  4. Step 4: Simplify right side
    61,366.64x = 2,922,438,618.31
  5. Step 5: Solve for x
    x = 2,922,438,618.31/61,366.64
  6. Step 6: Final answer
    x = 47,622.59

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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.