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Finding the Fourth Proportional to 30,008.80, 45,013.20 and 24,176.80

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Solution

The fourth proportional to 30,008.80, 45,013.20 and 24,176.80 is: 36,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.80 : 45,013.20 = 24,176.80 : x
  2. Step 2: Convert to fraction form
    30,008.80/45,013.20 = 24,176.80/x
  3. Step 3: Cross multiply
    30,008.80x = 45,013.20 × 24,176.80
  4. Step 4: Simplify right side
    30,008.80x = 1,088,275,133.76
  5. Step 5: Solve for x
    x = 1,088,275,133.76/30,008.80
  6. Step 6: Final answer
    x = 36,265.20

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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.