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Finding the Fourth Proportional to 38,756.40, 58,100.04 and 15,366.84

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Solution

The fourth proportional to 38,756.40, 58,100.04 and 15,366.84 is: 23,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,756.40 : 58,100.04 = 15,366.84 : x
  2. Step 2: Convert to fraction form
    38,756.40/58,100.04 = 15,366.84/x
  3. Step 3: Cross multiply
    38,756.40x = 58,100.04 × 15,366.84
  4. Step 4: Simplify right side
    38,756.40x = 892,814,018.67
  5. Step 5: Solve for x
    x = 892,814,018.67/38,756.40
  6. Step 6: Final answer
    x = 23,036.56

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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.