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Finding the Fourth Proportional to 8,657.48, 12,988.14 and 2,501

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Solution

The fourth proportional to 8,657.48, 12,988.14 and 2,501 is: 3,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657.48 : 12,988.14 = 2,501 : x
  2. Step 2: Convert to fraction form
    8,657.48/12,988.14 = 2,501/x
  3. Step 3: Cross multiply
    8,657.48x = 12,988.14 × 2,501
  4. Step 4: Simplify right side
    8,657.48x = 32,483,338.14
  5. Step 5: Solve for x
    x = 32,483,338.14/8,657.48
  6. Step 6: Final answer
    x = 3,752.05

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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.