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Finding the Fourth Proportional to 67,117.63, 92,622.95 and 36,903.16

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Solution

The fourth proportional to 67,117.63, 92,622.95 and 36,903.16 is: 50,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,117.63 : 92,622.95 = 36,903.16 : x
  2. Step 2: Convert to fraction form
    67,117.63/92,622.95 = 36,903.16/x
  3. Step 3: Cross multiply
    67,117.63x = 92,622.95 × 36,903.16
  4. Step 4: Simplify right side
    67,117.63x = 3,418,079,543.52
  5. Step 5: Solve for x
    x = 3,418,079,543.52/67,117.63
  6. Step 6: Final answer
    x = 50,926.70

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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.