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Finding the Fourth Proportional to 8,168,234.40, 12,252,351.60 and 5,480,848.80

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Solution

The fourth proportional to 8,168,234.40, 12,252,351.60 and 5,480,848.80 is: 8,221,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,234.40 : 12,252,351.60 = 5,480,848.80 : x
  2. Step 2: Convert to fraction form
    8,168,234.40/12,252,351.60 = 5,480,848.80/x
  3. Step 3: Cross multiply
    8,168,234.40x = 12,252,351.60 × 5,480,848.80
  4. Step 4: Simplify right side
    8,168,234.40x = 67,153,286,564,038.08
  5. Step 5: Solve for x
    x = 67,153,286,564,038.08/8,168,234.40
  6. Step 6: Final answer
    x = 8,221,273.20

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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.