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Finding the Fourth Proportional to 67,130.48, 92,640.73 and 36,916.02

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Solution

The fourth proportional to 67,130.48, 92,640.73 and 36,916.02 is: 50,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.48 : 92,640.73 = 36,916.02 : x
  2. Step 2: Convert to fraction form
    67,130.48/92,640.73 = 36,916.02/x
  3. Step 3: Cross multiply
    67,130.48x = 92,640.73 × 36,916.02
  4. Step 4: Simplify right side
    67,130.48x = 3,419,927,041.49
  5. Step 5: Solve for x
    x = 3,419,927,041.49/67,130.48
  6. Step 6: Final answer
    x = 50,944.47

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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.