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Finding the Fourth Proportional to 67,999.55, 101,999.33 and 47,004.35

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Solution

The fourth proportional to 67,999.55, 101,999.33 and 47,004.35 is: 70,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999.55 : 101,999.33 = 47,004.35 : x
  2. Step 2: Convert to fraction form
    67,999.55/101,999.33 = 47,004.35/x
  3. Step 3: Cross multiply
    67,999.55x = 101,999.33 × 47,004.35
  4. Step 4: Simplify right side
    67,999.55x = 4,794,411,972.06
  5. Step 5: Solve for x
    x = 4,794,411,972.06/67,999.55
  6. Step 6: Final answer
    x = 70,506.53

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1.5x scale

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.