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Finding the Fourth Proportional to 60,400.60, 90,611.70 and 25,343.80

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Solution

The fourth proportional to 60,400.60, 90,611.70 and 25,343.80 is: 38,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,400.60 : 90,611.70 = 25,343.80 : x
  2. Step 2: Convert to fraction form
    60,400.60/90,611.70 = 25,343.80/x
  3. Step 3: Cross multiply
    60,400.60x = 90,611.70 × 25,343.80
  4. Step 4: Simplify right side
    60,400.60x = 2,296,444,802.46
  5. Step 5: Solve for x
    x = 2,296,444,802.46/60,400.60
  6. Step 6: Final answer
    x = 38,020.23

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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.