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Finding the Fourth Proportional to 85,354.08, 117,788.76 and 47,627.52

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Solution

The fourth proportional to 85,354.08, 117,788.76 and 47,627.52 is: 65,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354.08 : 117,788.76 = 47,627.52 : x
  2. Step 2: Convert to fraction form
    85,354.08/117,788.76 = 47,627.52/x
  3. Step 3: Cross multiply
    85,354.08x = 117,788.76 × 47,627.52
  4. Step 4: Simplify right side
    85,354.08x = 5,609,986,522.68
  5. Step 5: Solve for x
    x = 5,609,986,522.68/85,354.08
  6. Step 6: Final answer
    x = 65,726.05

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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.