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Finding the Fourth Proportional to 8,804,641.80, 13,206,962.70 and 3,125,440.20

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Solution

The fourth proportional to 8,804,641.80, 13,206,962.70 and 3,125,440.20 is: 4,688,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804,641.80 : 13,206,962.70 = 3,125,440.20 : x
  2. Step 2: Convert to fraction form
    8,804,641.80/13,206,962.70 = 3,125,440.20/x
  3. Step 3: Cross multiply
    8,804,641.80x = 13,206,962.70 × 3,125,440.20
  4. Step 4: Simplify right side
    8,804,641.80x = 41,277,572,142,480.54
  5. Step 5: Solve for x
    x = 41,277,572,142,480.54/8,804,641.80
  6. Step 6: Final answer
    x = 4,688,160.30

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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.