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Finding the Fourth Proportional to 76,358.71, 114,510.61 and 26,425.25

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Solution

The fourth proportional to 76,358.71, 114,510.61 and 26,425.25 is: 39,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,358.71 : 114,510.61 = 26,425.25 : x
  2. Step 2: Convert to fraction form
    76,358.71/114,510.61 = 26,425.25/x
  3. Step 3: Cross multiply
    76,358.71x = 114,510.61 × 26,425.25
  4. Step 4: Simplify right side
    76,358.71x = 3,025,971,496.90
  5. Step 5: Solve for x
    x = 3,025,971,496.90/76,358.71
  6. Step 6: Final answer
    x = 39,628.37

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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.