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Finding the Fourth Proportional to 10,361,713.20, 15,542,569.80 and 7,338,404.40

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Solution

The fourth proportional to 10,361,713.20, 15,542,569.80 and 7,338,404.40 is: 11,007,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,713.20 : 15,542,569.80 = 7,338,404.40 : x
  2. Step 2: Convert to fraction form
    10,361,713.20/15,542,569.80 = 7,338,404.40/x
  3. Step 3: Cross multiply
    10,361,713.20x = 15,542,569.80 × 7,338,404.40
  4. Step 4: Simplify right side
    10,361,713.20x = 114,057,662,607,627.12
  5. Step 5: Solve for x
    x = 114,057,662,607,627.12/10,361,713.20
  6. Step 6: Final answer
    x = 11,007,606.60

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1.5x scale

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.