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Finding the Fourth Proportional to 61,692.96, 92,544.84 and 17,320.08

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Solution

The fourth proportional to 61,692.96, 92,544.84 and 17,320.08 is: 25,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.96 : 92,544.84 = 17,320.08 : x
  2. Step 2: Convert to fraction form
    61,692.96/92,544.84 = 17,320.08/x
  3. Step 3: Cross multiply
    61,692.96x = 92,544.84 × 17,320.08
  4. Step 4: Simplify right side
    61,692.96x = 1,602,884,032.39
  5. Step 5: Solve for x
    x = 1,602,884,032.39/61,692.96
  6. Step 6: Final answer
    x = 25,981.64

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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.