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Finding the Fourth Proportional to 75,059.64, 103,524.60 and 52,391.40

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Solution

The fourth proportional to 75,059.64, 103,524.60 and 52,391.40 is: 72,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.64 : 103,524.60 = 52,391.40 : x
  2. Step 2: Convert to fraction form
    75,059.64/103,524.60 = 52,391.40/x
  3. Step 3: Cross multiply
    75,059.64x = 103,524.60 × 52,391.40
  4. Step 4: Simplify right side
    75,059.64x = 5,423,798,728.44
  5. Step 5: Solve for x
    x = 5,423,798,728.44/75,059.64
  6. Step 6: Final answer
    x = 72,259.86

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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.