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Finding the Fourth Proportional to 70,935.75, 106,437.38 and 44,274.47

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Solution

The fourth proportional to 70,935.75, 106,437.38 and 44,274.47 is: 66,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,935.75 : 106,437.38 = 44,274.47 : x
  2. Step 2: Convert to fraction form
    70,935.75/106,437.38 = 44,274.47/x
  3. Step 3: Cross multiply
    70,935.75x = 106,437.38 × 44,274.47
  4. Step 4: Simplify right side
    70,935.75x = 4,712,457,834.13
  5. Step 5: Solve for x
    x = 4,712,457,834.13/70,935.75
  6. Step 6: Final answer
    x = 66,432.76

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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.