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Finding the Fourth Proportional to 56,396.65, 77,822.19 and 32,518.71

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Solution

The fourth proportional to 56,396.65, 77,822.19 and 32,518.71 is: 44,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.65 : 77,822.19 = 32,518.71 : x
  2. Step 2: Convert to fraction form
    56,396.65/77,822.19 = 32,518.71/x
  3. Step 3: Cross multiply
    56,396.65x = 77,822.19 × 32,518.71
  4. Step 4: Simplify right side
    56,396.65x = 2,530,677,228.17
  5. Step 5: Solve for x
    x = 2,530,677,228.17/56,396.65
  6. Step 6: Final answer
    x = 44,872.83

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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.