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Finding the Fourth Proportional to 35,534.99, 48,979.86 and 25,190.21

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Solution

The fourth proportional to 35,534.99, 48,979.86 and 25,190.21 is: 34,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.99 : 48,979.86 = 25,190.21 : x
  2. Step 2: Convert to fraction form
    35,534.99/48,979.86 = 25,190.21/x
  3. Step 3: Cross multiply
    35,534.99x = 48,979.86 × 25,190.21
  4. Step 4: Simplify right side
    35,534.99x = 1,233,812,711.65
  5. Step 5: Solve for x
    x = 1,233,812,711.65/35,534.99
  6. Step 6: Final answer
    x = 34,721.07

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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.