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Finding the Fourth Proportional to 76,341.62, 105,346.10 and 44,077.52

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Solution

The fourth proportional to 76,341.62, 105,346.10 and 44,077.52 is: 60,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,341.62 : 105,346.10 = 44,077.52 : x
  2. Step 2: Convert to fraction form
    76,341.62/105,346.10 = 44,077.52/x
  3. Step 3: Cross multiply
    76,341.62x = 105,346.10 × 44,077.52
  4. Step 4: Simplify right side
    76,341.62x = 4,643,394,829.67
  5. Step 5: Solve for x
    x = 4,643,394,829.67/76,341.62
  6. Step 6: Final answer
    x = 60,823.90

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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.