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Finding the Fourth Proportional to 59,909.51, 89,882.48 and 28,343.81

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Solution

The fourth proportional to 59,909.51, 89,882.48 and 28,343.81 is: 42,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,909.51 : 89,882.48 = 28,343.81 : x
  2. Step 2: Convert to fraction form
    59,909.51/89,882.48 = 28,343.81/x
  3. Step 3: Cross multiply
    59,909.51x = 89,882.48 × 28,343.81
  4. Step 4: Simplify right side
    59,909.51x = 2,547,611,556.90
  5. Step 5: Solve for x
    x = 2,547,611,556.90/59,909.51
  6. Step 6: Final answer
    x = 42,524.33

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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.