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Finding the Fourth Proportional to 60,859.75, 84,009.89 and 54,475.07

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Solution

The fourth proportional to 60,859.75, 84,009.89 and 54,475.07 is: 75,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,859.75 : 84,009.89 = 54,475.07 : x
  2. Step 2: Convert to fraction form
    60,859.75/84,009.89 = 54,475.07/x
  3. Step 3: Cross multiply
    60,859.75x = 84,009.89 × 54,475.07
  4. Step 4: Simplify right side
    60,859.75x = 4,576,444,840.17
  5. Step 5: Solve for x
    x = 4,576,444,840.17/60,859.75
  6. Step 6: Final answer
    x = 75,196.58

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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.