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Finding the Fourth Proportional to 24,597,823.80, 36,896,735.70 and 15,661,990.20

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Solution

The fourth proportional to 24,597,823.80, 36,896,735.70 and 15,661,990.20 is: 23,492,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,597,823.80 : 36,896,735.70 = 15,661,990.20 : x
  2. Step 2: Convert to fraction form
    24,597,823.80/36,896,735.70 = 15,661,990.20/x
  3. Step 3: Cross multiply
    24,597,823.80x = 36,896,735.70 × 15,661,990.20
  4. Step 4: Simplify right side
    24,597,823.80x = 577,876,312,945,390.12
  5. Step 5: Solve for x
    x = 577,876,312,945,390.12/24,597,823.80
  6. Step 6: Final answer
    x = 23,492,985.30

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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.