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Finding the Fourth Proportional to 60,681.51, 90,966.38 and 25,602.03

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Solution

The fourth proportional to 60,681.51, 90,966.38 and 25,602.03 is: 38,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,681.51 : 90,966.38 = 25,602.03 : x
  2. Step 2: Convert to fraction form
    60,681.51/90,966.38 = 25,602.03/x
  3. Step 3: Cross multiply
    60,681.51x = 90,966.38 × 25,602.03
  4. Step 4: Simplify right side
    60,681.51x = 2,328,923,861.74
  5. Step 5: Solve for x
    x = 2,328,923,861.74/60,681.51
  6. Step 6: Final answer
    x = 38,379.46

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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.