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Finding the Fourth Proportional to 15,008.64, 22,512.14 and 7,612.91

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Solution

The fourth proportional to 15,008.64, 22,512.14 and 7,612.91 is: 11,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.64 : 22,512.14 = 7,612.91 : x
  2. Step 2: Convert to fraction form
    15,008.64/22,512.14 = 7,612.91/x
  3. Step 3: Cross multiply
    15,008.64x = 22,512.14 × 7,612.91
  4. Step 4: Simplify right side
    15,008.64x = 171,382,783.17
  5. Step 5: Solve for x
    x = 171,382,783.17/15,008.64
  6. Step 6: Final answer
    x = 11,418.94

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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.