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Finding the Fourth Proportional to 67,636.62, 101,454.93 and 38,075.67

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Solution

The fourth proportional to 67,636.62, 101,454.93 and 38,075.67 is: 57,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.62 : 101,454.93 = 38,075.67 : x
  2. Step 2: Convert to fraction form
    67,636.62/101,454.93 = 38,075.67/x
  3. Step 3: Cross multiply
    67,636.62x = 101,454.93 × 38,075.67
  4. Step 4: Simplify right side
    67,636.62x = 3,862,964,434.55
  5. Step 5: Solve for x
    x = 3,862,964,434.55/67,636.62
  6. Step 6: Final answer
    x = 57,113.51

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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.