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Finding the Fourth Proportional to 62,788.42, 86,646.36 and 34,494.16

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Solution

The fourth proportional to 62,788.42, 86,646.36 and 34,494.16 is: 47,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,788.42 : 86,646.36 = 34,494.16 : x
  2. Step 2: Convert to fraction form
    62,788.42/86,646.36 = 34,494.16/x
  3. Step 3: Cross multiply
    62,788.42x = 86,646.36 × 34,494.16
  4. Step 4: Simplify right side
    62,788.42x = 2,988,793,405.26
  5. Step 5: Solve for x
    x = 2,988,793,405.26/62,788.42
  6. Step 6: Final answer
    x = 47,601.03

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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.