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Finding the Fourth Proportional to 76,446.92, 105,503.40 and 44,626.08

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Solution

The fourth proportional to 76,446.92, 105,503.40 and 44,626.08 is: 61,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446.92 : 105,503.40 = 44,626.08 : x
  2. Step 2: Convert to fraction form
    76,446.92/105,503.40 = 44,626.08/x
  3. Step 3: Cross multiply
    76,446.92x = 105,503.40 × 44,626.08
  4. Step 4: Simplify right side
    76,446.92x = 4,708,203,168.67
  5. Step 5: Solve for x
    x = 4,708,203,168.67/76,446.92
  6. Step 6: Final answer
    x = 61,587.87

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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.