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Finding the Fourth Proportional to 7,382,204.70, 11,073,307.05 and 7,257,788.70

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Solution

The fourth proportional to 7,382,204.70, 11,073,307.05 and 7,257,788.70 is: 10,886,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,204.70 : 11,073,307.05 = 7,257,788.70 : x
  2. Step 2: Convert to fraction form
    7,382,204.70/11,073,307.05 = 7,257,788.70/x
  3. Step 3: Cross multiply
    7,382,204.70x = 11,073,307.05 × 7,257,788.70
  4. Step 4: Simplify right side
    7,382,204.70x = 80,367,722,779,120.34
  5. Step 5: Solve for x
    x = 80,367,722,779,120.34/7,382,204.70
  6. Step 6: Final answer
    x = 10,886,683.05

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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.