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Finding the Fourth Proportional to 7,156,227.60, 10,740,216.60 and 7,100,240.40

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Solution

The fourth proportional to 7,156,227.60, 10,740,216.60 and 7,100,240.40 is: 10,656,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,227.60 : 10,740,216.60 = 7,100,240.40 : x
  2. Step 2: Convert to fraction form
    7,156,227.60/10,740,216.60 = 7,100,240.40/x
  3. Step 3: Cross multiply
    7,156,227.60x = 10,740,216.60 × 7,100,240.40
  4. Step 4: Simplify right side
    7,156,227.60x = 76,258,119,808,070.64
  5. Step 5: Solve for x
    x = 76,258,119,808,070.64/7,156,227.60
  6. Step 6: Final answer
    x = 10,656,189.84

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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.