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Finding the Fourth Proportional to 40,630.70, 60,950.10 and 15,323.81

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Solution

The fourth proportional to 40,630.70, 60,950.10 and 15,323.81 is: 22,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.70 : 60,950.10 = 15,323.81 : x
  2. Step 2: Convert to fraction form
    40,630.70/60,950.10 = 15,323.81/x
  3. Step 3: Cross multiply
    40,630.70x = 60,950.10 × 15,323.81
  4. Step 4: Simplify right side
    40,630.70x = 933,987,447.13
  5. Step 5: Solve for x
    x = 933,987,447.13/40,630.70
  6. Step 6: Final answer
    x = 22,987.24

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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.