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Finding the Fourth Proportional to 10,393.40, 15,590.22 and 6,008.20

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Solution

The fourth proportional to 10,393.40, 15,590.22 and 6,008.20 is: 9,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.40 : 15,590.22 = 6,008.20 : x
  2. Step 2: Convert to fraction form
    10,393.40/15,590.22 = 6,008.20/x
  3. Step 3: Cross multiply
    10,393.40x = 15,590.22 × 6,008.20
  4. Step 4: Simplify right side
    10,393.40x = 93,669,159.80
  5. Step 5: Solve for x
    x = 93,669,159.80/10,393.40
  6. Step 6: Final answer
    x = 9,012.37

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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.