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Finding the Fourth Proportional to 8,794,479.60, 13,191,719.40 and 7,282,825.20

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Solution

The fourth proportional to 8,794,479.60, 13,191,719.40 and 7,282,825.20 is: 10,924,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,479.60 : 13,191,719.40 = 7,282,825.20 : x
  2. Step 2: Convert to fraction form
    8,794,479.60/13,191,719.40 = 7,282,825.20/x
  3. Step 3: Cross multiply
    8,794,479.60x = 13,191,719.40 × 7,282,825.20
  4. Step 4: Simplify right side
    8,794,479.60x = 96,072,986,477,648.89
  5. Step 5: Solve for x
    x = 96,072,986,477,648.89/8,794,479.60
  6. Step 6: Final answer
    x = 10,924,237.80

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Similar ratio
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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.