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Finding the Fourth Proportional to 67,209.61, 92,748.52 and 36,994.28

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Solution

The fourth proportional to 67,209.61, 92,748.52 and 36,994.28 is: 51,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,209.61 : 92,748.52 = 36,994.28 : x
  2. Step 2: Convert to fraction form
    67,209.61/92,748.52 = 36,994.28/x
  3. Step 3: Cross multiply
    67,209.61x = 92,748.52 × 36,994.28
  4. Step 4: Simplify right side
    67,209.61x = 3,431,164,718.47
  5. Step 5: Solve for x
    x = 3,431,164,718.47/67,209.61
  6. Step 6: Final answer
    x = 51,051.70

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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.