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Finding the Fourth Proportional to 61,486.56, 92,266.52 and 31,904.16

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Solution

The fourth proportional to 61,486.56, 92,266.52 and 31,904.16 is: 47,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.56 : 92,266.52 = 31,904.16 : x
  2. Step 2: Convert to fraction form
    61,486.56/92,266.52 = 31,904.16/x
  3. Step 3: Cross multiply
    61,486.56x = 92,266.52 × 31,904.16
  4. Step 4: Simplify right side
    61,486.56x = 2,943,685,816.72
  5. Step 5: Solve for x
    x = 2,943,685,816.72/61,486.56
  6. Step 6: Final answer
    x = 47,875.27

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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.