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Finding the Fourth Proportional to 40,530.30, 60,722.55 and 34,698.30

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Solution

The fourth proportional to 40,530.30, 60,722.55 and 34,698.30 is: 51,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.30 : 60,722.55 = 34,698.30 : x
  2. Step 2: Convert to fraction form
    40,530.30/60,722.55 = 34,698.30/x
  3. Step 3: Cross multiply
    40,530.30x = 60,722.55 × 34,698.30
  4. Step 4: Simplify right side
    40,530.30x = 2,106,969,256.67
  5. Step 5: Solve for x
    x = 2,106,969,256.67/40,530.30
  6. Step 6: Final answer
    x = 51,985.04

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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.