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Finding the Fourth Proportional to 65,240.44, 97,860.76 and 15,992.44

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Solution

The fourth proportional to 65,240.44, 97,860.76 and 15,992.44 is: 23,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.44 : 97,860.76 = 15,992.44 : x
  2. Step 2: Convert to fraction form
    65,240.44/97,860.76 = 15,992.44/x
  3. Step 3: Cross multiply
    65,240.44x = 97,860.76 × 15,992.44
  4. Step 4: Simplify right side
    65,240.44x = 1,565,032,048.02
  5. Step 5: Solve for x
    x = 1,565,032,048.02/65,240.44
  6. Step 6: Final answer
    x = 23,988.68

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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.