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Finding the Fourth Proportional to 61,765, 92,592.06 and 22,312.86

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Solution

The fourth proportional to 61,765, 92,592.06 and 22,312.86 is: 33,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765 : 92,592.06 = 22,312.86 : x
  2. Step 2: Convert to fraction form
    61,765/92,592.06 = 22,312.86/x
  3. Step 3: Cross multiply
    61,765x = 92,592.06 × 22,312.86
  4. Step 4: Simplify right side
    61,765x = 2,065,993,671.89
  5. Step 5: Solve for x
    x = 2,065,993,671.89/61,765
  6. Step 6: Final answer
    x = 33,449.26

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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.