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Finding the Fourth Proportional to 15,010.71, 22,519.98 and 8,776.05

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Solution

The fourth proportional to 15,010.71, 22,519.98 and 8,776.05 is: 13,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.71 : 22,519.98 = 8,776.05 : x
  2. Step 2: Convert to fraction form
    15,010.71/22,519.98 = 8,776.05/x
  3. Step 3: Cross multiply
    15,010.71x = 22,519.98 × 8,776.05
  4. Step 4: Simplify right side
    15,010.71x = 197,636,470.48
  5. Step 5: Solve for x
    x = 197,636,470.48/15,010.71
  6. Step 6: Final answer
    x = 13,166.36

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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.