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Finding the Fourth Proportional to 37,279, 51,487.68 and 25,322.32

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Solution

The fourth proportional to 37,279, 51,487.68 and 25,322.32 is: 34,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279 : 51,487.68 = 25,322.32 : x
  2. Step 2: Convert to fraction form
    37,279/51,487.68 = 25,322.32/x
  3. Step 3: Cross multiply
    37,279x = 51,487.68 × 25,322.32
  4. Step 4: Simplify right side
    37,279x = 1,303,787,509.02
  5. Step 5: Solve for x
    x = 1,303,787,509.02/37,279
  6. Step 6: Final answer
    x = 34,973.78

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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.