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Finding the Fourth Proportional to 48,240.70, 72,207.45 and 34,416.70

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Solution

The fourth proportional to 48,240.70, 72,207.45 and 34,416.70 is: 51,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.70 : 72,207.45 = 34,416.70 : x
  2. Step 2: Convert to fraction form
    48,240.70/72,207.45 = 34,416.70/x
  3. Step 3: Cross multiply
    48,240.70x = 72,207.45 × 34,416.70
  4. Step 4: Simplify right side
    48,240.70x = 2,485,142,144.42
  5. Step 5: Solve for x
    x = 2,485,142,144.42/48,240.70
  6. Step 6: Final answer
    x = 51,515.47

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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.