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Finding the Fourth Proportional to 10,393.62, 15,590.30 and 7,053.59

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Solution

The fourth proportional to 10,393.62, 15,590.30 and 7,053.59 is: 10,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.62 : 15,590.30 = 7,053.59 : x
  2. Step 2: Convert to fraction form
    10,393.62/15,590.30 = 7,053.59/x
  3. Step 3: Cross multiply
    10,393.62x = 15,590.30 × 7,053.59
  4. Step 4: Simplify right side
    10,393.62x = 109,967,470.96
  5. Step 5: Solve for x
    x = 109,967,470.96/10,393.62
  6. Step 6: Final answer
    x = 10,580.29

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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.