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Finding the Fourth Proportional to 40,926, 61,398.53 and 12,844.52

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Solution

The fourth proportional to 40,926, 61,398.53 and 12,844.52 is: 19,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,926 : 61,398.53 = 12,844.52 : x
  2. Step 2: Convert to fraction form
    40,926/61,398.53 = 12,844.52/x
  3. Step 3: Cross multiply
    40,926x = 61,398.53 × 12,844.52
  4. Step 4: Simplify right side
    40,926x = 788,634,275.34
  5. Step 5: Solve for x
    x = 788,634,275.34/40,926
  6. Step 6: Final answer
    x = 19,269.76

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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.