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Finding the Fourth Proportional to 59,354, 89,041.08 and 28,172.24

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Solution

The fourth proportional to 59,354, 89,041.08 and 28,172.24 is: 42,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,354 : 89,041.08 = 28,172.24 : x
  2. Step 2: Convert to fraction form
    59,354/89,041.08 = 28,172.24/x
  3. Step 3: Cross multiply
    59,354x = 89,041.08 × 28,172.24
  4. Step 4: Simplify right side
    59,354x = 2,508,486,675.62
  5. Step 5: Solve for x
    x = 2,508,486,675.62/59,354
  6. Step 6: Final answer
    x = 42,263.14

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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.