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Finding the Fourth Proportional to 62,740.60, 86,582.16 and 34,448.12

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Solution

The fourth proportional to 62,740.60, 86,582.16 and 34,448.12 is: 47,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740.60 : 86,582.16 = 34,448.12 : x
  2. Step 2: Convert to fraction form
    62,740.60/86,582.16 = 34,448.12/x
  3. Step 3: Cross multiply
    62,740.60x = 86,582.16 × 34,448.12
  4. Step 4: Simplify right side
    62,740.60x = 2,982,592,637.54
  5. Step 5: Solve for x
    x = 2,982,592,637.54/62,740.60
  6. Step 6: Final answer
    x = 47,538.48

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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.