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Finding the Fourth Proportional to 69,000.10, 103,500.15 and 48,004.90

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Solution

The fourth proportional to 69,000.10, 103,500.15 and 48,004.90 is: 72,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,000.10 : 103,500.15 = 48,004.90 : x
  2. Step 2: Convert to fraction form
    69,000.10/103,500.15 = 48,004.90/x
  3. Step 3: Cross multiply
    69,000.10x = 103,500.15 × 48,004.90
  4. Step 4: Simplify right side
    69,000.10x = 4,968,514,350.74
  5. Step 5: Solve for x
    x = 4,968,514,350.74/69,000.10
  6. Step 6: Final answer
    x = 72,007.35

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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.