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Finding the Fourth Proportional to 65,862.95, 98,808.93 and 25,885.80

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Solution

The fourth proportional to 65,862.95, 98,808.93 and 25,885.80 is: 38,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.95 : 98,808.93 = 25,885.80 : x
  2. Step 2: Convert to fraction form
    65,862.95/98,808.93 = 25,885.80/x
  3. Step 3: Cross multiply
    65,862.95x = 98,808.93 × 25,885.80
  4. Step 4: Simplify right side
    65,862.95x = 2,557,748,200.19
  5. Step 5: Solve for x
    x = 2,557,748,200.19/65,862.95
  6. Step 6: Final answer
    x = 38,834.40

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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.