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Finding the Fourth Proportional to 61,482.19, 92,225.57 and 21,493.35

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Solution

The fourth proportional to 61,482.19, 92,225.57 and 21,493.35 is: 32,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.19 : 92,225.57 = 21,493.35 : x
  2. Step 2: Convert to fraction form
    61,482.19/92,225.57 = 21,493.35/x
  3. Step 3: Cross multiply
    61,482.19x = 92,225.57 × 21,493.35
  4. Step 4: Simplify right side
    61,482.19x = 1,982,236,454.96
  5. Step 5: Solve for x
    x = 1,982,236,454.96/61,482.19
  6. Step 6: Final answer
    x = 32,240.82

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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.