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Finding the Fourth Proportional to 10,866,480.80, 16,299,721.20 and 3,292,462.40

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Solution

The fourth proportional to 10,866,480.80, 16,299,721.20 and 3,292,462.40 is: 4,938,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,480.80 : 16,299,721.20 = 3,292,462.40 : x
  2. Step 2: Convert to fraction form
    10,866,480.80/16,299,721.20 = 3,292,462.40/x
  3. Step 3: Cross multiply
    10,866,480.80x = 16,299,721.20 × 3,292,462.40
  4. Step 4: Simplify right side
    10,866,480.80x = 53,666,219,181,482.88
  5. Step 5: Solve for x
    x = 53,666,219,181,482.88/10,866,480.80
  6. Step 6: Final answer
    x = 4,938,693.60

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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.