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Finding the Fourth Proportional to 35,698.52, 49,270.02 and 20,588.42

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Solution

The fourth proportional to 35,698.52, 49,270.02 and 20,588.42 is: 28,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,698.52 : 49,270.02 = 20,588.42 : x
  2. Step 2: Convert to fraction form
    35,698.52/49,270.02 = 20,588.42/x
  3. Step 3: Cross multiply
    35,698.52x = 49,270.02 × 20,588.42
  4. Step 4: Simplify right side
    35,698.52x = 1,014,391,865.17
  5. Step 5: Solve for x
    x = 1,014,391,865.17/35,698.52
  6. Step 6: Final answer
    x = 28,415.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.