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Finding the Fourth Proportional to 76,463.64, 114,711.84 and 26,545.32

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Solution

The fourth proportional to 76,463.64, 114,711.84 and 26,545.32 is: 39,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,463.64 : 114,711.84 = 26,545.32 : x
  2. Step 2: Convert to fraction form
    76,463.64/114,711.84 = 26,545.32/x
  3. Step 3: Cross multiply
    76,463.64x = 114,711.84 × 26,545.32
  4. Step 4: Simplify right side
    76,463.64x = 3,045,062,500.59
  5. Step 5: Solve for x
    x = 3,045,062,500.59/76,463.64
  6. Step 6: Final answer
    x = 39,823.67

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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.