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Finding the Fourth Proportional to 45,959.58, 63,421.79 and 25,817.31

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Solution

The fourth proportional to 45,959.58, 63,421.79 and 25,817.31 is: 35,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,959.58 : 63,421.79 = 25,817.31 : x
  2. Step 2: Convert to fraction form
    45,959.58/63,421.79 = 25,817.31/x
  3. Step 3: Cross multiply
    45,959.58x = 63,421.79 × 25,817.31
  4. Step 4: Simplify right side
    45,959.58x = 1,637,379,884.10
  5. Step 5: Solve for x
    x = 1,637,379,884.10/45,959.58
  6. Step 6: Final answer
    x = 35,626.52

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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.