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Finding the Fourth Proportional to 61,724.59, 92,590.08 and 19,607.95

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Solution

The fourth proportional to 61,724.59, 92,590.08 and 19,607.95 is: 29,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.59 : 92,590.08 = 19,607.95 : x
  2. Step 2: Convert to fraction form
    61,724.59/92,590.08 = 19,607.95/x
  3. Step 3: Cross multiply
    61,724.59x = 92,590.08 × 19,607.95
  4. Step 4: Simplify right side
    61,724.59x = 1,815,501,659.14
  5. Step 5: Solve for x
    x = 1,815,501,659.14/61,724.59
  6. Step 6: Final answer
    x = 29,412.94

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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.