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Finding the Fourth Proportional to 65,241.70, 97,862.55 and 56,493.70

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Solution

The fourth proportional to 65,241.70, 97,862.55 and 56,493.70 is: 84,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241.70 : 97,862.55 = 56,493.70 : x
  2. Step 2: Convert to fraction form
    65,241.70/97,862.55 = 56,493.70/x
  3. Step 3: Cross multiply
    65,241.70x = 97,862.55 × 56,493.70
  4. Step 4: Simplify right side
    65,241.70x = 5,528,617,540.94
  5. Step 5: Solve for x
    x = 5,528,617,540.94/65,241.70
  6. Step 6: Final answer
    x = 84,740.55

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1.5x scale

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.