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Finding the Fourth Proportional to 9,073,232.40, 13,609,848.60 and 8,380,390.80

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Solution

The fourth proportional to 9,073,232.40, 13,609,848.60 and 8,380,390.80 is: 12,570,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073,232.40 : 13,609,848.60 = 8,380,390.80 : x
  2. Step 2: Convert to fraction form
    9,073,232.40/13,609,848.60 = 8,380,390.80/x
  3. Step 3: Cross multiply
    9,073,232.40x = 13,609,848.60 × 8,380,390.80
  4. Step 4: Simplify right side
    9,073,232.40x = 114,055,849,996,832.88
  5. Step 5: Solve for x
    x = 114,055,849,996,832.88/9,073,232.40
  6. Step 6: Final answer
    x = 12,570,586.20

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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.