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Finding the Fourth Proportional to 40,484,476.80, 60,726,715.20 and 26,879,587.20

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Solution

The fourth proportional to 40,484,476.80, 60,726,715.20 and 26,879,587.20 is: 40,319,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484,476.80 : 60,726,715.20 = 26,879,587.20 : x
  2. Step 2: Convert to fraction form
    40,484,476.80/60,726,715.20 = 26,879,587.20/x
  3. Step 3: Cross multiply
    40,484,476.80x = 60,726,715.20 × 26,879,587.20
  4. Step 4: Simplify right side
    40,484,476.80x = 1,632,309,036,587,965.50
  5. Step 5: Solve for x
    x = 1,632,309,036,587,965.50/40,484,476.80
  6. Step 6: Final answer
    x = 40,319,380.80

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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.