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Finding the Fourth Proportional to 15,001.88, 20,703.50 and 10,754.24

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Solution

The fourth proportional to 15,001.88, 20,703.50 and 10,754.24 is: 14,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.88 : 20,703.50 = 10,754.24 : x
  2. Step 2: Convert to fraction form
    15,001.88/20,703.50 = 10,754.24/x
  3. Step 3: Cross multiply
    15,001.88x = 20,703.50 × 10,754.24
  4. Step 4: Simplify right side
    15,001.88x = 222,650,407.84
  5. Step 5: Solve for x
    x = 222,650,407.84/15,001.88
  6. Step 6: Final answer
    x = 14,841.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.