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Finding the Fourth Proportional to 42,373, 58,267.38 and 36,774.28

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Solution

The fourth proportional to 42,373, 58,267.38 and 36,774.28 is: 50,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373 : 58,267.38 = 36,774.28 : x
  2. Step 2: Convert to fraction form
    42,373/58,267.38 = 36,774.28/x
  3. Step 3: Cross multiply
    42,373x = 58,267.38 × 36,774.28
  4. Step 4: Simplify right side
    42,373x = 2,142,740,946.99
  5. Step 5: Solve for x
    x = 2,142,740,946.99/42,373
  6. Step 6: Final answer
    x = 50,568.54

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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.