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Finding the Fourth Proportional to 16,402,984.80, 24,604,477.20 and 11,616,079.20

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Solution

The fourth proportional to 16,402,984.80, 24,604,477.20 and 11,616,079.20 is: 17,424,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402,984.80 : 24,604,477.20 = 11,616,079.20 : x
  2. Step 2: Convert to fraction form
    16,402,984.80/24,604,477.20 = 11,616,079.20/x
  3. Step 3: Cross multiply
    16,402,984.80x = 24,604,477.20 × 11,616,079.20
  4. Step 4: Simplify right side
    16,402,984.80x = 285,807,555,829,794.19
  5. Step 5: Solve for x
    x = 285,807,555,829,794.19/16,402,984.80
  6. Step 6: Final answer
    x = 17,424,118.80

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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.