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Finding the Fourth Proportional to 67,041.84, 92,510.88 and 38,756.64

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Solution

The fourth proportional to 67,041.84, 92,510.88 and 38,756.64 is: 53,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.84 : 92,510.88 = 38,756.64 : x
  2. Step 2: Convert to fraction form
    67,041.84/92,510.88 = 38,756.64/x
  3. Step 3: Cross multiply
    67,041.84x = 92,510.88 × 38,756.64
  4. Step 4: Simplify right side
    67,041.84x = 3,585,410,872.24
  5. Step 5: Solve for x
    x = 3,585,410,872.24/67,041.84
  6. Step 6: Final answer
    x = 53,480.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.