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Finding the Fourth Proportional to 10,393.67, 15,590.51 and 2,602.47

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Solution

The fourth proportional to 10,393.67, 15,590.51 and 2,602.47 is: 3,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.67 : 15,590.51 = 2,602.47 : x
  2. Step 2: Convert to fraction form
    10,393.67/15,590.51 = 2,602.47/x
  3. Step 3: Cross multiply
    10,393.67x = 15,590.51 × 2,602.47
  4. Step 4: Simplify right side
    10,393.67x = 40,573,821.55
  5. Step 5: Solve for x
    x = 40,573,821.55/10,393.67
  6. Step 6: Final answer
    x = 3,903.71

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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.