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Finding the Fourth Proportional to 60,343.69, 90,519.97 and 15,970.14

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Solution

The fourth proportional to 60,343.69, 90,519.97 and 15,970.14 is: 23,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,343.69 : 90,519.97 = 15,970.14 : x
  2. Step 2: Convert to fraction form
    60,343.69/90,519.97 = 15,970.14/x
  3. Step 3: Cross multiply
    60,343.69x = 90,519.97 × 15,970.14
  4. Step 4: Simplify right side
    60,343.69x = 1,445,616,633.62
  5. Step 5: Solve for x
    x = 1,445,616,633.62/60,343.69
  6. Step 6: Final answer
    x = 23,956.39

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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.