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Finding the Fourth Proportional to 40,000.54, 60,009.30 and 13,698.22

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Solution

The fourth proportional to 40,000.54, 60,009.30 and 13,698.22 is: 20,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.54 : 60,009.30 = 13,698.22 : x
  2. Step 2: Convert to fraction form
    40,000.54/60,009.30 = 13,698.22/x
  3. Step 3: Cross multiply
    40,000.54x = 60,009.30 × 13,698.22
  4. Step 4: Simplify right side
    40,000.54x = 822,020,593.45
  5. Step 5: Solve for x
    x = 822,020,593.45/40,000.54
  6. Step 6: Final answer
    x = 20,550.24

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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.