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Finding the Fourth Proportional to 34,768.99, 48,007.52 and 21,358.63

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Solution

The fourth proportional to 34,768.99, 48,007.52 and 21,358.63 is: 29,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.99 : 48,007.52 = 21,358.63 : x
  2. Step 2: Convert to fraction form
    34,768.99/48,007.52 = 21,358.63/x
  3. Step 3: Cross multiply
    34,768.99x = 48,007.52 × 21,358.63
  4. Step 4: Simplify right side
    34,768.99x = 1,025,374,750.10
  5. Step 5: Solve for x
    x = 1,025,374,750.10/34,768.99
  6. Step 6: Final answer
    x = 29,491.07

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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.