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Finding the Fourth Proportional to 35,260.80, 48,659.05 and 19,345.11

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Solution

The fourth proportional to 35,260.80, 48,659.05 and 19,345.11 is: 26,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,260.80 : 48,659.05 = 19,345.11 : x
  2. Step 2: Convert to fraction form
    35,260.80/48,659.05 = 19,345.11/x
  3. Step 3: Cross multiply
    35,260.80x = 48,659.05 × 19,345.11
  4. Step 4: Simplify right side
    35,260.80x = 941,314,674.75
  5. Step 5: Solve for x
    x = 941,314,674.75/35,260.80
  6. Step 6: Final answer
    x = 26,695.78

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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.