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Finding the Fourth Proportional to 25,332.16, 37,985.34 and 8,459.10

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Solution

The fourth proportional to 25,332.16, 37,985.34 and 8,459.10 is: 12,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,332.16 : 37,985.34 = 8,459.10 : x
  2. Step 2: Convert to fraction form
    25,332.16/37,985.34 = 8,459.10/x
  3. Step 3: Cross multiply
    25,332.16x = 37,985.34 × 8,459.10
  4. Step 4: Simplify right side
    25,332.16x = 321,321,850.94
  5. Step 5: Solve for x
    x = 321,321,850.94/25,332.16
  6. Step 6: Final answer
    x = 12,684.35

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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.