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Finding the Fourth Proportional to 9,773,921.20, 14,660,881.80 and 8,262,266.80

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Solution

The fourth proportional to 9,773,921.20, 14,660,881.80 and 8,262,266.80 is: 12,393,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,773,921.20 : 14,660,881.80 = 8,262,266.80 : x
  2. Step 2: Convert to fraction form
    9,773,921.20/14,660,881.80 = 8,262,266.80/x
  3. Step 3: Cross multiply
    9,773,921.20x = 14,660,881.80 × 8,262,266.80
  4. Step 4: Simplify right side
    9,773,921.20x = 121,132,116,954,864.25
  5. Step 5: Solve for x
    x = 121,132,116,954,864.25/9,773,921.20
  6. Step 6: Final answer
    x = 12,393,400.20

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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.