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Finding the Fourth Proportional to 70,632.76, 105,937.49 and 23,248.47

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Solution

The fourth proportional to 70,632.76, 105,937.49 and 23,248.47 is: 34,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.76 : 105,937.49 = 23,248.47 : x
  2. Step 2: Convert to fraction form
    70,632.76/105,937.49 = 23,248.47/x
  3. Step 3: Cross multiply
    70,632.76x = 105,937.49 × 23,248.47
  4. Step 4: Simplify right side
    70,632.76x = 2,462,884,441.90
  5. Step 5: Solve for x
    x = 2,462,884,441.90/70,632.76
  6. Step 6: Final answer
    x = 34,868.87

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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.