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Finding the Fourth Proportional to 35,801.88, 53,724.98 and 20,816.04

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Solution

The fourth proportional to 35,801.88, 53,724.98 and 20,816.04 is: 31,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,801.88 : 53,724.98 = 20,816.04 : x
  2. Step 2: Convert to fraction form
    35,801.88/53,724.98 = 20,816.04/x
  3. Step 3: Cross multiply
    35,801.88x = 53,724.98 × 20,816.04
  4. Step 4: Simplify right side
    35,801.88x = 1,118,341,332.68
  5. Step 5: Solve for x
    x = 1,118,341,332.68/35,801.88
  6. Step 6: Final answer
    x = 31,236.94

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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.