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Finding the Fourth Proportional to 69,643.50, 104,506.76 and 25,273.72

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Solution

The fourth proportional to 69,643.50, 104,506.76 and 25,273.72 is: 37,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.50 : 104,506.76 = 25,273.72 : x
  2. Step 2: Convert to fraction form
    69,643.50/104,506.76 = 25,273.72/x
  3. Step 3: Cross multiply
    69,643.50x = 104,506.76 × 25,273.72
  4. Step 4: Simplify right side
    69,643.50x = 2,641,274,590.35
  5. Step 5: Solve for x
    x = 2,641,274,590.35/69,643.50
  6. Step 6: Final answer
    x = 37,925.64

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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.