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Finding the Fourth Proportional to 62,763.75, 86,614.56 and 34,470.09

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Solution

The fourth proportional to 62,763.75, 86,614.56 and 34,470.09 is: 47,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.75 : 86,614.56 = 34,470.09 : x
  2. Step 2: Convert to fraction form
    62,763.75/86,614.56 = 34,470.09/x
  3. Step 3: Cross multiply
    62,763.75x = 86,614.56 × 34,470.09
  4. Step 4: Simplify right side
    62,763.75x = 2,985,611,678.51
  5. Step 5: Solve for x
    x = 2,985,611,678.51/62,763.75
  6. Step 6: Final answer
    x = 47,569.05

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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.