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Finding the Fourth Proportional to 57,716.64, 86,603.76 and 26,573.76

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Solution

The fourth proportional to 57,716.64, 86,603.76 and 26,573.76 is: 39,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.64 : 86,603.76 = 26,573.76 : x
  2. Step 2: Convert to fraction form
    57,716.64/86,603.76 = 26,573.76/x
  3. Step 3: Cross multiply
    57,716.64x = 86,603.76 × 26,573.76
  4. Step 4: Simplify right side
    57,716.64x = 2,301,387,533.34
  5. Step 5: Solve for x
    x = 2,301,387,533.34/57,716.64
  6. Step 6: Final answer
    x = 39,873.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.