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Finding the Fourth Proportional to 34,950.76, 48,241.38 and 21,524.20

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Solution

The fourth proportional to 34,950.76, 48,241.38 and 21,524.20 is: 29,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,950.76 : 48,241.38 = 21,524.20 : x
  2. Step 2: Convert to fraction form
    34,950.76/48,241.38 = 21,524.20/x
  3. Step 3: Cross multiply
    34,950.76x = 48,241.38 × 21,524.20
  4. Step 4: Simplify right side
    34,950.76x = 1,038,357,111.40
  5. Step 5: Solve for x
    x = 1,038,357,111.40/34,950.76
  6. Step 6: Final answer
    x = 29,709.14

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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.