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Finding the Fourth Proportional to 17,898.70, 26,860.20 and 10,001.20

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Solution

The fourth proportional to 17,898.70, 26,860.20 and 10,001.20 is: 15,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.70 : 26,860.20 = 10,001.20 : x
  2. Step 2: Convert to fraction form
    17,898.70/26,860.20 = 10,001.20/x
  3. Step 3: Cross multiply
    17,898.70x = 26,860.20 × 10,001.20
  4. Step 4: Simplify right side
    17,898.70x = 268,634,232.24
  5. Step 5: Solve for x
    x = 268,634,232.24/17,898.70
  6. Step 6: Final answer
    x = 15,008.59

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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.