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Finding the Fourth Proportional to 45,761.99, 63,144.90 and 25,615.15

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Solution

The fourth proportional to 45,761.99, 63,144.90 and 25,615.15 is: 35,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,761.99 : 63,144.90 = 25,615.15 : x
  2. Step 2: Convert to fraction form
    45,761.99/63,144.90 = 25,615.15/x
  3. Step 3: Cross multiply
    45,761.99x = 63,144.90 × 25,615.15
  4. Step 4: Simplify right side
    45,761.99x = 1,617,465,927.37
  5. Step 5: Solve for x
    x = 1,617,465,927.37/45,761.99
  6. Step 6: Final answer
    x = 35,345.19

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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.