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Finding the Fourth Proportional to 40,210.80, 60,315.83 and 10,225.10

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Solution

The fourth proportional to 40,210.80, 60,315.83 and 10,225.10 is: 15,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,210.80 : 60,315.83 = 10,225.10 : x
  2. Step 2: Convert to fraction form
    40,210.80/60,315.83 = 10,225.10/x
  3. Step 3: Cross multiply
    40,210.80x = 60,315.83 × 10,225.10
  4. Step 4: Simplify right side
    40,210.80x = 616,735,493.00
  5. Step 5: Solve for x
    x = 616,735,493.00/40,210.80
  6. Step 6: Final answer
    x = 15,337.56

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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.