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Finding the Fourth Proportional to 35,481, 48,964.14 and 21,334.08

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Solution

The fourth proportional to 35,481, 48,964.14 and 21,334.08 is: 29,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481 : 48,964.14 = 21,334.08 : x
  2. Step 2: Convert to fraction form
    35,481/48,964.14 = 21,334.08/x
  3. Step 3: Cross multiply
    35,481x = 48,964.14 × 21,334.08
  4. Step 4: Simplify right side
    35,481x = 1,044,604,879.89
  5. Step 5: Solve for x
    x = 1,044,604,879.89/35,481
  6. Step 6: Final answer
    x = 29,441.25

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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.