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Finding the Fourth Proportional to 76,414.59, 114,579.90 and 26,490.24

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Solution

The fourth proportional to 76,414.59, 114,579.90 and 26,490.24 is: 39,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,414.59 : 114,579.90 = 26,490.24 : x
  2. Step 2: Convert to fraction form
    76,414.59/114,579.90 = 26,490.24/x
  3. Step 3: Cross multiply
    76,414.59x = 114,579.90 × 26,490.24
  4. Step 4: Simplify right side
    76,414.59x = 3,035,249,050.18
  5. Step 5: Solve for x
    x = 3,035,249,050.18/76,414.59
  6. Step 6: Final answer
    x = 39,720.81

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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.