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Finding the Fourth Proportional to 70,615.47, 105,923.04 and 44,338.65

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Solution

The fourth proportional to 70,615.47, 105,923.04 and 44,338.65 is: 66,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.47 : 105,923.04 = 44,338.65 : x
  2. Step 2: Convert to fraction form
    70,615.47/105,923.04 = 44,338.65/x
  3. Step 3: Cross multiply
    70,615.47x = 105,923.04 × 44,338.65
  4. Step 4: Simplify right side
    70,615.47x = 4,696,484,597.50
  5. Step 5: Solve for x
    x = 4,696,484,597.50/70,615.47
  6. Step 6: Final answer
    x = 66,507.87

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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.