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Finding the Fourth Proportional to 60,725.81, 91,103.54 and 23,285.21

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Solution

The fourth proportional to 60,725.81, 91,103.54 and 23,285.21 is: 34,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,725.81 : 91,103.54 = 23,285.21 : x
  2. Step 2: Convert to fraction form
    60,725.81/91,103.54 = 23,285.21/x
  3. Step 3: Cross multiply
    60,725.81x = 91,103.54 × 23,285.21
  4. Step 4: Simplify right side
    60,725.81x = 2,121,364,944.22
  5. Step 5: Solve for x
    x = 2,121,364,944.22/60,725.81
  6. Step 6: Final answer
    x = 34,933.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.