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Finding the Fourth Proportional to 62,209.30, 85,850.12 and 34,985.91

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Solution

The fourth proportional to 62,209.30, 85,850.12 and 34,985.91 is: 48,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.30 : 85,850.12 = 34,985.91 : x
  2. Step 2: Convert to fraction form
    62,209.30/85,850.12 = 34,985.91/x
  3. Step 3: Cross multiply
    62,209.30x = 85,850.12 × 34,985.91
  4. Step 4: Simplify right side
    62,209.30x = 3,003,544,571.81
  5. Step 5: Solve for x
    x = 3,003,544,571.81/62,209.30
  6. Step 6: Final answer
    x = 48,281.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.