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Finding the Fourth Proportional to 67,473.84, 93,099.36 and 39,164.40

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Solution

The fourth proportional to 67,473.84, 93,099.36 and 39,164.40 is: 54,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,473.84 : 93,099.36 = 39,164.40 : x
  2. Step 2: Convert to fraction form
    67,473.84/93,099.36 = 39,164.40/x
  3. Step 3: Cross multiply
    67,473.84x = 93,099.36 × 39,164.40
  4. Step 4: Simplify right side
    67,473.84x = 3,646,180,574.78
  5. Step 5: Solve for x
    x = 3,646,180,574.78/67,473.84
  6. Step 6: Final answer
    x = 54,038.43

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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.