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Finding the Fourth Proportional to 7,952,133.60, 11,928,200.40 and 7,070,335.20

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Solution

The fourth proportional to 7,952,133.60, 11,928,200.40 and 7,070,335.20 is: 10,605,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952,133.60 : 11,928,200.40 = 7,070,335.20 : x
  2. Step 2: Convert to fraction form
    7,952,133.60/11,928,200.40 = 7,070,335.20/x
  3. Step 3: Cross multiply
    7,952,133.60x = 11,928,200.40 × 7,070,335.20
  4. Step 4: Simplify right side
    7,952,133.60x = 84,336,375,160,774.08
  5. Step 5: Solve for x
    x = 84,336,375,160,774.08/7,952,133.60
  6. Step 6: Final answer
    x = 10,605,502.80

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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.