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Finding the Fourth Proportional to 30,608.60, 45,869.78 and 24,340.80

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Solution

The fourth proportional to 30,608.60, 45,869.78 and 24,340.80 is: 36,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.60 : 45,869.78 = 24,340.80 : x
  2. Step 2: Convert to fraction form
    30,608.60/45,869.78 = 24,340.80/x
  3. Step 3: Cross multiply
    30,608.60x = 45,869.78 × 24,340.80
  4. Step 4: Simplify right side
    30,608.60x = 1,116,507,141.02
  5. Step 5: Solve for x
    x = 1,116,507,141.02/30,608.60
  6. Step 6: Final answer
    x = 36,476.91

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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.