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Finding the Fourth Proportional to 52,291.40, 72,220.88 and 40,497.39

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Solution

The fourth proportional to 52,291.40, 72,220.88 and 40,497.39 is: 55,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.40 : 72,220.88 = 40,497.39 : x
  2. Step 2: Convert to fraction form
    52,291.40/72,220.88 = 40,497.39/x
  3. Step 3: Cross multiply
    52,291.40x = 72,220.88 × 40,497.39
  4. Step 4: Simplify right side
    52,291.40x = 2,924,757,244.75
  5. Step 5: Solve for x
    x = 2,924,757,244.75/52,291.40
  6. Step 6: Final answer
    x = 55,931.90

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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.