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Finding the Fourth Proportional to 60,019.66, 90,029.53 and 15,646.30

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Solution

The fourth proportional to 60,019.66, 90,029.53 and 15,646.30 is: 23,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,019.66 : 90,029.53 = 15,646.30 : x
  2. Step 2: Convert to fraction form
    60,019.66/90,029.53 = 15,646.30/x
  3. Step 3: Cross multiply
    60,019.66x = 90,029.53 × 15,646.30
  4. Step 4: Simplify right side
    60,019.66x = 1,408,629,035.24
  5. Step 5: Solve for x
    x = 1,408,629,035.24/60,019.66
  6. Step 6: Final answer
    x = 23,469.46

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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.