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Finding the Fourth Proportional to 52,527.54, 78,774.21 and 17,457.78

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Solution

The fourth proportional to 52,527.54, 78,774.21 and 17,457.78 is: 26,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.54 : 78,774.21 = 17,457.78 : x
  2. Step 2: Convert to fraction form
    52,527.54/78,774.21 = 17,457.78/x
  3. Step 3: Cross multiply
    52,527.54x = 78,774.21 × 17,457.78
  4. Step 4: Simplify right side
    52,527.54x = 1,375,222,827.85
  5. Step 5: Solve for x
    x = 1,375,222,827.85/52,527.54
  6. Step 6: Final answer
    x = 26,180.99

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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.