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Finding the Fourth Proportional to 63,705, 95,553.72 and 19,332.12

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Solution

The fourth proportional to 63,705, 95,553.72 and 19,332.12 is: 28,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705 : 95,553.72 = 19,332.12 : x
  2. Step 2: Convert to fraction form
    63,705/95,553.72 = 19,332.12/x
  3. Step 3: Cross multiply
    63,705x = 95,553.72 × 19,332.12
  4. Step 4: Simplify right side
    63,705x = 1,847,255,981.49
  5. Step 5: Solve for x
    x = 1,847,255,981.49/63,705
  6. Step 6: Final answer
    x = 28,997.03

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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.