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Finding the Fourth Proportional to 35,708.70, 49,281.54 and 19,796.22

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Solution

The fourth proportional to 35,708.70, 49,281.54 and 19,796.22 is: 27,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.70 : 49,281.54 = 19,796.22 : x
  2. Step 2: Convert to fraction form
    35,708.70/49,281.54 = 19,796.22/x
  3. Step 3: Cross multiply
    35,708.70x = 49,281.54 × 19,796.22
  4. Step 4: Simplify right side
    35,708.70x = 975,588,327.82
  5. Step 5: Solve for x
    x = 975,588,327.82/35,708.70
  6. Step 6: Final answer
    x = 27,320.75

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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.