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Finding the Fourth Proportional to 61,848.65, 92,776.14 and 17,478.60

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Solution

The fourth proportional to 61,848.65, 92,776.14 and 17,478.60 is: 26,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,848.65 : 92,776.14 = 17,478.60 : x
  2. Step 2: Convert to fraction form
    61,848.65/92,776.14 = 17,478.60/x
  3. Step 3: Cross multiply
    61,848.65x = 92,776.14 × 17,478.60
  4. Step 4: Simplify right side
    61,848.65x = 1,621,597,040.60
  5. Step 5: Solve for x
    x = 1,621,597,040.60/61,848.65
  6. Step 6: Final answer
    x = 26,218.80

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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.