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Finding the Fourth Proportional to 15,265.99, 22,899 and 4,172.68

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Solution

The fourth proportional to 15,265.99, 22,899 and 4,172.68 is: 6,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.99 : 22,899 = 4,172.68 : x
  2. Step 2: Convert to fraction form
    15,265.99/22,899 = 4,172.68/x
  3. Step 3: Cross multiply
    15,265.99x = 22,899 × 4,172.68
  4. Step 4: Simplify right side
    15,265.99x = 95,550,084.83
  5. Step 5: Solve for x
    x = 95,550,084.83/15,265.99
  6. Step 6: Final answer
    x = 6,259.02

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1.5x scale

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.