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Finding the Fourth Proportional to 67,393.40, 93,002.99 and 37,178.66

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Solution

The fourth proportional to 67,393.40, 93,002.99 and 37,178.66 is: 51,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,393.40 : 93,002.99 = 37,178.66 : x
  2. Step 2: Convert to fraction form
    67,393.40/93,002.99 = 37,178.66/x
  3. Step 3: Cross multiply
    67,393.40x = 93,002.99 × 37,178.66
  4. Step 4: Simplify right side
    67,393.40x = 3,457,725,893.29
  5. Step 5: Solve for x
    x = 3,457,725,893.29/67,393.40
  6. Step 6: Final answer
    x = 51,306.60

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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.