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Finding the Fourth Proportional to 61,293.92, 84,587.79 and 34,435.89

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Solution

The fourth proportional to 61,293.92, 84,587.79 and 34,435.89 is: 47,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,293.92 : 84,587.79 = 34,435.89 : x
  2. Step 2: Convert to fraction form
    61,293.92/84,587.79 = 34,435.89/x
  3. Step 3: Cross multiply
    61,293.92x = 84,587.79 × 34,435.89
  4. Step 4: Simplify right side
    61,293.92x = 2,912,855,831.78
  5. Step 5: Solve for x
    x = 2,912,855,831.78/61,293.92
  6. Step 6: Final answer
    x = 47,522.76

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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.