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Finding the Fourth Proportional to 11,852,562.90, 17,778,844.36 and 8,866,578.90

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Solution

The fourth proportional to 11,852,562.90, 17,778,844.36 and 8,866,578.90 is: 13,299,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852,562.90 : 17,778,844.36 = 8,866,578.90 : x
  2. Step 2: Convert to fraction form
    11,852,562.90/17,778,844.36 = 8,866,578.90/x
  3. Step 3: Cross multiply
    11,852,562.90x = 17,778,844.36 × 8,866,578.90
  4. Step 4: Simplify right side
    11,852,562.90x = 157,637,526,268,760
  5. Step 5: Solve for x
    x = 157,637,526,268,760/11,852,562.90
  6. Step 6: Final answer
    x = 13,299,868.36

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Similar ratio
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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.