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Finding the Fourth Proportional to 26,726,412.30, 40,089,618.45 and 26,726,412.30

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Solution

The fourth proportional to 26,726,412.30, 40,089,618.45 and 26,726,412.30 is: 40,089,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726,412.30 : 40,089,618.45 = 26,726,412.30 : x
  2. Step 2: Convert to fraction form
    26,726,412.30/40,089,618.45 = 26,726,412.30/x
  3. Step 3: Cross multiply
    26,726,412.30x = 40,089,618.45 × 26,726,412.30
  4. Step 4: Simplify right side
    26,726,412.30x = 1,071,451,671,644,387
  5. Step 5: Solve for x
    x = 1,071,451,671,644,387/26,726,412.30
  6. Step 6: Final answer
    x = 40,089,618.45

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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.