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Finding the Fourth Proportional to 8,793,210.80, 13,189,378.80 and 4,533,809.60

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Solution

The fourth proportional to 8,793,210.80, 13,189,378.80 and 4,533,809.60 is: 6,800,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793,210.80 : 13,189,378.80 = 4,533,809.60 : x
  2. Step 2: Convert to fraction form
    8,793,210.80/13,189,378.80 = 4,533,809.60/x
  3. Step 3: Cross multiply
    8,793,210.80x = 13,189,378.80 × 4,533,809.60
  4. Step 4: Simplify right side
    8,793,210.80x = 59,798,132,221,476.48
  5. Step 5: Solve for x
    x = 59,798,132,221,476.48/8,793,210.80
  6. Step 6: Final answer
    x = 6,800,488.88

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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.