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Finding the Fourth Proportional to 39,359.40, 59,000.70 and 35,212.20

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Solution

The fourth proportional to 39,359.40, 59,000.70 and 35,212.20 is: 52,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359.40 : 59,000.70 = 35,212.20 : x
  2. Step 2: Convert to fraction form
    39,359.40/59,000.70 = 35,212.20/x
  3. Step 3: Cross multiply
    39,359.40x = 59,000.70 × 35,212.20
  4. Step 4: Simplify right side
    39,359.40x = 2,077,544,448.54
  5. Step 5: Solve for x
    x = 2,077,544,448.54/39,359.40
  6. Step 6: Final answer
    x = 52,783.95

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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.