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Finding the Fourth Proportional to 39,752.70, 59,629.05 and 12,050.70

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Solution

The fourth proportional to 39,752.70, 59,629.05 and 12,050.70 is: 18,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.70 : 59,629.05 = 12,050.70 : x
  2. Step 2: Convert to fraction form
    39,752.70/59,629.05 = 12,050.70/x
  3. Step 3: Cross multiply
    39,752.70x = 59,629.05 × 12,050.70
  4. Step 4: Simplify right side
    39,752.70x = 718,571,792.84
  5. Step 5: Solve for x
    x = 718,571,792.84/39,752.70
  6. Step 6: Final answer
    x = 18,076.05

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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.