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Finding the Fourth Proportional to 67,170.72, 92,695.59 and 36,955.40

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Solution

The fourth proportional to 67,170.72, 92,695.59 and 36,955.40 is: 50,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,170.72 : 92,695.59 = 36,955.40 : x
  2. Step 2: Convert to fraction form
    67,170.72/92,695.59 = 36,955.40/x
  3. Step 3: Cross multiply
    67,170.72x = 92,695.59 × 36,955.40
  4. Step 4: Simplify right side
    67,170.72x = 3,425,602,606.69
  5. Step 5: Solve for x
    x = 3,425,602,606.69/67,170.72
  6. Step 6: Final answer
    x = 50,998.45

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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.