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Finding the Fourth Proportional to 8,794,895.20, 13,192,342.80 and 7,301,903.20

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Solution

The fourth proportional to 8,794,895.20, 13,192,342.80 and 7,301,903.20 is: 10,952,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,895.20 : 13,192,342.80 = 7,301,903.20 : x
  2. Step 2: Convert to fraction form
    8,794,895.20/13,192,342.80 = 7,301,903.20/x
  3. Step 3: Cross multiply
    8,794,895.20x = 13,192,342.80 × 7,301,903.20
  4. Step 4: Simplify right side
    8,794,895.20x = 96,329,210,106,816.97
  5. Step 5: Solve for x
    x = 96,329,210,106,816.97/8,794,895.20
  6. Step 6: Final answer
    x = 10,952,854.80

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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.