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Finding the Fourth Proportional to 35,281.25, 48,687.13 and 19,365.68

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Solution

The fourth proportional to 35,281.25, 48,687.13 and 19,365.68 is: 26,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.25 : 48,687.13 = 19,365.68 : x
  2. Step 2: Convert to fraction form
    35,281.25/48,687.13 = 19,365.68/x
  3. Step 3: Cross multiply
    35,281.25x = 48,687.13 × 19,365.68
  4. Step 4: Simplify right side
    35,281.25x = 942,859,416.69
  5. Step 5: Solve for x
    x = 942,859,416.69/35,281.25
  6. Step 6: Final answer
    x = 26,724.10

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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.