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Finding the Fourth Proportional to 76,502.92, 114,772.83 and 26,575.76

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Solution

The fourth proportional to 76,502.92, 114,772.83 and 26,575.76 is: 39,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502.92 : 114,772.83 = 26,575.76 : x
  2. Step 2: Convert to fraction form
    76,502.92/114,772.83 = 26,575.76/x
  3. Step 3: Cross multiply
    76,502.92x = 114,772.83 × 26,575.76
  4. Step 4: Simplify right side
    76,502.92x = 3,050,175,184.60
  5. Step 5: Solve for x
    x = 3,050,175,184.60/76,502.92
  6. Step 6: Final answer
    x = 39,870.05

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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.