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Finding the Fourth Proportional to 7,826,175.60, 10,976,552.40 and 7,826,175.60

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Solution

The fourth proportional to 7,826,175.60, 10,976,552.40 and 7,826,175.60 is: 10,976,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826,175.60 : 10,976,552.40 = 7,826,175.60 : x
  2. Step 2: Convert to fraction form
    7,826,175.60/10,976,552.40 = 7,826,175.60/x
  3. Step 3: Cross multiply
    7,826,175.60x = 10,976,552.40 × 7,826,175.60
  4. Step 4: Simplify right side
    7,826,175.60x = 85,904,426,565,001.44
  5. Step 5: Solve for x
    x = 85,904,426,565,001.44/7,826,175.60
  6. Step 6: Final answer
    x = 10,976,552.40

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Double scale
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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.