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Finding the Fourth Proportional to 35,479.72, 48,962.34 and 19,563.76

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Solution

The fourth proportional to 35,479.72, 48,962.34 and 19,563.76 is: 26,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.72 : 48,962.34 = 19,563.76 : x
  2. Step 2: Convert to fraction form
    35,479.72/48,962.34 = 19,563.76/x
  3. Step 3: Cross multiply
    35,479.72x = 48,962.34 × 19,563.76
  4. Step 4: Simplify right side
    35,479.72x = 957,887,468.80
  5. Step 5: Solve for x
    x = 957,887,468.80/35,479.72
  6. Step 6: Final answer
    x = 26,998.17

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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.