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Finding the Fourth Proportional to 8,697, 13,041.18 and 3,501.48

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Solution

The fourth proportional to 8,697, 13,041.18 and 3,501.48 is: 5,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697 : 13,041.18 = 3,501.48 : x
  2. Step 2: Convert to fraction form
    8,697/13,041.18 = 3,501.48/x
  3. Step 3: Cross multiply
    8,697x = 13,041.18 × 3,501.48
  4. Step 4: Simplify right side
    8,697x = 45,663,430.95
  5. Step 5: Solve for x
    x = 45,663,430.95/8,697
  6. Step 6: Final answer
    x = 5,250.48

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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.