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Finding the Fourth Proportional to 71,266.40, 106,909.20 and 24,533.60

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Solution

The fourth proportional to 71,266.40, 106,909.20 and 24,533.60 is: 36,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266.40 : 106,909.20 = 24,533.60 : x
  2. Step 2: Convert to fraction form
    71,266.40/106,909.20 = 24,533.60/x
  3. Step 3: Cross multiply
    71,266.40x = 106,909.20 × 24,533.60
  4. Step 4: Simplify right side
    71,266.40x = 2,622,867,549.12
  5. Step 5: Solve for x
    x = 2,622,867,549.12/71,266.40
  6. Step 6: Final answer
    x = 36,803.70

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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.