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Finding the Fourth Proportional to 39,684.52, 59,526.78 and 18,844.84

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Solution

The fourth proportional to 39,684.52, 59,526.78 and 18,844.84 is: 28,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.52 : 59,526.78 = 18,844.84 : x
  2. Step 2: Convert to fraction form
    39,684.52/59,526.78 = 18,844.84/x
  3. Step 3: Cross multiply
    39,684.52x = 59,526.78 × 18,844.84
  4. Step 4: Simplify right side
    39,684.52x = 1,121,772,644.82
  5. Step 5: Solve for x
    x = 1,121,772,644.82/39,684.52
  6. Step 6: Final answer
    x = 28,267.26

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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.