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Finding the Fourth Proportional to 67,848.95, 101,773.68 and 28,378.37

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Solution

The fourth proportional to 67,848.95, 101,773.68 and 28,378.37 is: 42,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.95 : 101,773.68 = 28,378.37 : x
  2. Step 2: Convert to fraction form
    67,848.95/101,773.68 = 28,378.37/x
  3. Step 3: Cross multiply
    67,848.95x = 101,773.68 × 28,378.37
  4. Step 4: Simplify right side
    67,848.95x = 2,888,171,454.95
  5. Step 5: Solve for x
    x = 2,888,171,454.95/67,848.95
  6. Step 6: Final answer
    x = 42,567.67

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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.