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Finding the Fourth Proportional to 48,641.75, 72,830.72 and 25,218.98

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Solution

The fourth proportional to 48,641.75, 72,830.72 and 25,218.98 is: 37,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.75 : 72,830.72 = 25,218.98 : x
  2. Step 2: Convert to fraction form
    48,641.75/72,830.72 = 25,218.98/x
  3. Step 3: Cross multiply
    48,641.75x = 72,830.72 × 25,218.98
  4. Step 4: Simplify right side
    48,641.75x = 1,836,715,980.82
  5. Step 5: Solve for x
    x = 1,836,715,980.82/48,641.75
  6. Step 6: Final answer
    x = 37,760.08

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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.