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Finding the Fourth Proportional to 57,016.65, 85,526.73 and 19,576.25

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Solution

The fourth proportional to 57,016.65, 85,526.73 and 19,576.25 is: 29,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.65 : 85,526.73 = 19,576.25 : x
  2. Step 2: Convert to fraction form
    57,016.65/85,526.73 = 19,576.25/x
  3. Step 3: Cross multiply
    57,016.65x = 85,526.73 × 19,576.25
  4. Step 4: Simplify right side
    57,016.65x = 1,674,292,220.53
  5. Step 5: Solve for x
    x = 1,674,292,220.53/57,016.65
  6. Step 6: Final answer
    x = 29,364.97

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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.