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Finding the Fourth Proportional to 40,734.04, 61,110.62 and 12,652.64

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Solution

The fourth proportional to 40,734.04, 61,110.62 and 12,652.64 is: 18,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.04 : 61,110.62 = 12,652.64 : x
  2. Step 2: Convert to fraction form
    40,734.04/61,110.62 = 12,652.64/x
  3. Step 3: Cross multiply
    40,734.04x = 61,110.62 × 12,652.64
  4. Step 4: Simplify right side
    40,734.04x = 773,210,675.04
  5. Step 5: Solve for x
    x = 773,210,675.04/40,734.04
  6. Step 6: Final answer
    x = 18,981.93

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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.