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Finding the Fourth Proportional to 16,642,480.80, 24,963,721.20 and 10,969,111.20

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Solution

The fourth proportional to 16,642,480.80, 24,963,721.20 and 10,969,111.20 is: 16,453,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,480.80 : 24,963,721.20 = 10,969,111.20 : x
  2. Step 2: Convert to fraction form
    16,642,480.80/24,963,721.20 = 10,969,111.20/x
  3. Step 3: Cross multiply
    16,642,480.80x = 24,963,721.20 × 10,969,111.20
  4. Step 4: Simplify right side
    16,642,480.80x = 273,829,833,808,597.41
  5. Step 5: Solve for x
    x = 273,829,833,808,597.41/16,642,480.80
  6. Step 6: Final answer
    x = 16,453,666.80

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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.