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Finding the Fourth Proportional to 76,887.65, 115,334.95 and 23,575.74

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Solution

The fourth proportional to 76,887.65, 115,334.95 and 23,575.74 is: 35,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.65 : 115,334.95 = 23,575.74 : x
  2. Step 2: Convert to fraction form
    76,887.65/115,334.95 = 23,575.74/x
  3. Step 3: Cross multiply
    76,887.65x = 115,334.95 × 23,575.74
  4. Step 4: Simplify right side
    76,887.65x = 2,719,106,794.11
  5. Step 5: Solve for x
    x = 2,719,106,794.11/76,887.65
  6. Step 6: Final answer
    x = 35,364.68

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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.