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Finding the Fourth Proportional to 59,502.60, 89,162.64 and 40,716

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Solution

The fourth proportional to 59,502.60, 89,162.64 and 40,716 is: 61,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,502.60 : 89,162.64 = 40,716 : x
  2. Step 2: Convert to fraction form
    59,502.60/89,162.64 = 40,716/x
  3. Step 3: Cross multiply
    59,502.60x = 89,162.64 × 40,716
  4. Step 4: Simplify right side
    59,502.60x = 3,630,346,050.24
  5. Step 5: Solve for x
    x = 3,630,346,050.24/59,502.60
  6. Step 6: Final answer
    x = 61,011.55

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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.