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Finding the Fourth Proportional to 15,007.71, 22,525.68 and 7,617.47

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Solution

The fourth proportional to 15,007.71, 22,525.68 and 7,617.47 is: 11,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.71 : 22,525.68 = 7,617.47 : x
  2. Step 2: Convert to fraction form
    15,007.71/22,525.68 = 7,617.47/x
  3. Step 3: Cross multiply
    15,007.71x = 22,525.68 × 7,617.47
  4. Step 4: Simplify right side
    15,007.71x = 171,588,579.00
  5. Step 5: Solve for x
    x = 171,588,579.00/15,007.71
  6. Step 6: Final answer
    x = 11,433.36

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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.