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Finding the Fourth Proportional to 8,300,762.70, 12,451,144.05 and 6,015,566.40

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Solution

The fourth proportional to 8,300,762.70, 12,451,144.05 and 6,015,566.40 is: 9,023,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,762.70 : 12,451,144.05 = 6,015,566.40 : x
  2. Step 2: Convert to fraction form
    8,300,762.70/12,451,144.05 = 6,015,566.40/x
  3. Step 3: Cross multiply
    8,300,762.70x = 12,451,144.05 × 6,015,566.40
  4. Step 4: Simplify right side
    8,300,762.70x = 74,900,683,788,739.92
  5. Step 5: Solve for x
    x = 74,900,683,788,739.92/8,300,762.70
  6. Step 6: Final answer
    x = 9,023,349.60

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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.