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Finding the Fourth Proportional to 39,913.50, 59,870.01 and 10,331.22

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Solution

The fourth proportional to 39,913.50, 59,870.01 and 10,331.22 is: 15,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.50 : 59,870.01 = 10,331.22 : x
  2. Step 2: Convert to fraction form
    39,913.50/59,870.01 = 10,331.22/x
  3. Step 3: Cross multiply
    39,913.50x = 59,870.01 × 10,331.22
  4. Step 4: Simplify right side
    39,913.50x = 618,530,244.71
  5. Step 5: Solve for x
    x = 618,530,244.71/39,913.50
  6. Step 6: Final answer
    x = 15,496.77

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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.