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Finding the Fourth Proportional to 69,092.75, 103,639.13 and 22,345.63

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Solution

The fourth proportional to 69,092.75, 103,639.13 and 22,345.63 is: 33,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,092.75 : 103,639.13 = 22,345.63 : x
  2. Step 2: Convert to fraction form
    69,092.75/103,639.13 = 22,345.63/x
  3. Step 3: Cross multiply
    69,092.75x = 103,639.13 × 22,345.63
  4. Step 4: Simplify right side
    69,092.75x = 2,315,881,652.50
  5. Step 5: Solve for x
    x = 2,315,881,652.50/69,092.75
  6. Step 6: Final answer
    x = 33,518.45

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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.