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Finding the Fourth Proportional to 9,234,015.40, 12,948,879.20 and 9,234,015.40

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Solution

The fourth proportional to 9,234,015.40, 12,948,879.20 and 9,234,015.40 is: 12,948,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234,015.40 : 12,948,879.20 = 9,234,015.40 : x
  2. Step 2: Convert to fraction form
    9,234,015.40/12,948,879.20 = 9,234,015.40/x
  3. Step 3: Cross multiply
    9,234,015.40x = 12,948,879.20 × 9,234,015.40
  4. Step 4: Simplify right side
    9,234,015.40x = 119,570,149,945,539.67
  5. Step 5: Solve for x
    x = 119,570,149,945,539.67/9,234,015.40
  6. Step 6: Final answer
    x = 12,948,879.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.