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Finding the Fourth Proportional to 60,497.47, 90,745.89 and 15,518.64

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Solution

The fourth proportional to 60,497.47, 90,745.89 and 15,518.64 is: 23,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.47 : 90,745.89 = 15,518.64 : x
  2. Step 2: Convert to fraction form
    60,497.47/90,745.89 = 15,518.64/x
  3. Step 3: Cross multiply
    60,497.47x = 90,745.89 × 15,518.64
  4. Step 4: Simplify right side
    60,497.47x = 1,408,252,798.39
  5. Step 5: Solve for x
    x = 1,408,252,798.39/60,497.47
  6. Step 6: Final answer
    x = 23,277.88

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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.