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Finding the Fourth Proportional to 15,101.70, 22,652.55 and 9,261.60

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Solution

The fourth proportional to 15,101.70, 22,652.55 and 9,261.60 is: 13,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.70 : 22,652.55 = 9,261.60 : x
  2. Step 2: Convert to fraction form
    15,101.70/22,652.55 = 9,261.60/x
  3. Step 3: Cross multiply
    15,101.70x = 22,652.55 × 9,261.60
  4. Step 4: Simplify right side
    15,101.70x = 209,798,857.08
  5. Step 5: Solve for x
    x = 209,798,857.08/15,101.70
  6. Step 6: Final answer
    x = 13,892.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.