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Finding the Fourth Proportional to 6,894,967.60, 10,342,451.40 and 6,150,950.20

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Solution

The fourth proportional to 6,894,967.60, 10,342,451.40 and 6,150,950.20 is: 9,226,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894,967.60 : 10,342,451.40 = 6,150,950.20 : x
  2. Step 2: Convert to fraction form
    6,894,967.60/10,342,451.40 = 6,150,950.20/x
  3. Step 3: Cross multiply
    6,894,967.60x = 10,342,451.40 × 6,150,950.20
  4. Step 4: Simplify right side
    6,894,967.60x = 63,615,903,507,320.28
  5. Step 5: Solve for x
    x = 63,615,903,507,320.28/6,894,967.60
  6. Step 6: Final answer
    x = 9,226,425.30

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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.