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Finding the Fourth Proportional to 69,662.10, 104,493.15 and 48,666.90

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Solution

The fourth proportional to 69,662.10, 104,493.15 and 48,666.90 is: 73,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.10 : 104,493.15 = 48,666.90 : x
  2. Step 2: Convert to fraction form
    69,662.10/104,493.15 = 48,666.90/x
  3. Step 3: Cross multiply
    69,662.10x = 104,493.15 × 48,666.90
  4. Step 4: Simplify right side
    69,662.10x = 5,085,357,681.74
  5. Step 5: Solve for x
    x = 5,085,357,681.74/69,662.10
  6. Step 6: Final answer
    x = 73,000.35

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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.