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Finding the Fourth Proportional to 16,604,868.80, 24,911,968.80 and 8,085,483.20

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Solution

The fourth proportional to 16,604,868.80, 24,911,968.80 and 8,085,483.20 is: 12,130,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,604,868.80 : 24,911,968.80 = 8,085,483.20 : x
  2. Step 2: Convert to fraction form
    16,604,868.80/24,911,968.80 = 8,085,483.20/x
  3. Step 3: Cross multiply
    16,604,868.80x = 24,911,968.80 × 8,085,483.20
  4. Step 4: Simplify right side
    16,604,868.80x = 201,425,305,211,324.16
  5. Step 5: Solve for x
    x = 201,425,305,211,324.16/16,604,868.80
  6. Step 6: Final answer
    x = 12,130,496.64

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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.