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Finding the Fourth Proportional to 52,470.74, 72,410.00 and 30,960.92

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Solution

The fourth proportional to 52,470.74, 72,410.00 and 30,960.92 is: 42,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.74 : 72,410.00 = 30,960.92 : x
  2. Step 2: Convert to fraction form
    52,470.74/72,410.00 = 30,960.92/x
  3. Step 3: Cross multiply
    52,470.74x = 72,410.00 × 30,960.92
  4. Step 4: Simplify right side
    52,470.74x = 2,241,879,700.35
  5. Step 5: Solve for x
    x = 2,241,879,700.35/52,470.74
  6. Step 6: Final answer
    x = 42,726.29

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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.