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Finding the Fourth Proportional to 45,681.81, 63,040.48 and 25,263.87

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Solution

The fourth proportional to 45,681.81, 63,040.48 and 25,263.87 is: 34,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,681.81 : 63,040.48 = 25,263.87 : x
  2. Step 2: Convert to fraction form
    45,681.81/63,040.48 = 25,263.87/x
  3. Step 3: Cross multiply
    45,681.81x = 63,040.48 × 25,263.87
  4. Step 4: Simplify right side
    45,681.81x = 1,592,646,191.90
  5. Step 5: Solve for x
    x = 1,592,646,191.90/45,681.81
  6. Step 6: Final answer
    x = 34,863.91

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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.