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Finding the Fourth Proportional to 35,709.87, 49,275.09 and 19,794.18

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Solution

The fourth proportional to 35,709.87, 49,275.09 and 19,794.18 is: 27,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.87 : 49,275.09 = 19,794.18 : x
  2. Step 2: Convert to fraction form
    35,709.87/49,275.09 = 19,794.18/x
  3. Step 3: Cross multiply
    35,709.87x = 49,275.09 × 19,794.18
  4. Step 4: Simplify right side
    35,709.87x = 975,360,000.98
  5. Step 5: Solve for x
    x = 975,360,000.98/35,709.87
  6. Step 6: Final answer
    x = 27,313.46

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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.