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Finding the Fourth Proportional to 45,687.50, 63,048.75 and 25,815.50

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Solution

The fourth proportional to 45,687.50, 63,048.75 and 25,815.50 is: 35,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.50 : 63,048.75 = 25,815.50 : x
  2. Step 2: Convert to fraction form
    45,687.50/63,048.75 = 25,815.50/x
  3. Step 3: Cross multiply
    45,687.50x = 63,048.75 × 25,815.50
  4. Step 4: Simplify right side
    45,687.50x = 1,627,635,005.63
  5. Step 5: Solve for x
    x = 1,627,635,005.63/45,687.50
  6. Step 6: Final answer
    x = 35,625.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.