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Finding the Fourth Proportional to 71,394.17, 98,524.55 and 39,563.60

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Solution

The fourth proportional to 71,394.17, 98,524.55 and 39,563.60 is: 54,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,394.17 : 98,524.55 = 39,563.60 : x
  2. Step 2: Convert to fraction form
    71,394.17/98,524.55 = 39,563.60/x
  3. Step 3: Cross multiply
    71,394.17x = 98,524.55 × 39,563.60
  4. Step 4: Simplify right side
    71,394.17x = 3,897,985,886.38
  5. Step 5: Solve for x
    x = 3,897,985,886.38/71,394.17
  6. Step 6: Final answer
    x = 54,598.10

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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.