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Finding the Fourth Proportional to 61,955.40, 92,936.64 and 17,578.65

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Solution

The fourth proportional to 61,955.40, 92,936.64 and 17,578.65 is: 26,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.40 : 92,936.64 = 17,578.65 : x
  2. Step 2: Convert to fraction form
    61,955.40/92,936.64 = 17,578.65/x
  3. Step 3: Cross multiply
    61,955.40x = 92,936.64 × 17,578.65
  4. Step 4: Simplify right side
    61,955.40x = 1,633,700,666.74
  5. Step 5: Solve for x
    x = 1,633,700,666.74/61,955.40
  6. Step 6: Final answer
    x = 26,368.98

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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.