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Finding the Fourth Proportional to 42,596.76, 63,843.30 and 19,216.92

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Solution

The fourth proportional to 42,596.76, 63,843.30 and 19,216.92 is: 28,801.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,596.76 : 63,843.30 = 19,216.92 : x
  2. Step 2: Convert to fraction form
    42,596.76/63,843.30 = 19,216.92/x
  3. Step 3: Cross multiply
    42,596.76x = 63,843.30 × 19,216.92
  4. Step 4: Simplify right side
    42,596.76x = 1,226,871,588.64
  5. Step 5: Solve for x
    x = 1,226,871,588.64/42,596.76
  6. Step 6: Final answer
    x = 28,801.99

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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.