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Finding the Fourth Proportional to 60,057.54, 89,911.31 and 57,783.06

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Solution

The fourth proportional to 60,057.54, 89,911.31 and 57,783.06 is: 86,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,057.54 : 89,911.31 = 57,783.06 : x
  2. Step 2: Convert to fraction form
    60,057.54/89,911.31 = 57,783.06/x
  3. Step 3: Cross multiply
    60,057.54x = 89,911.31 × 57,783.06
  4. Step 4: Simplify right side
    60,057.54x = 5,195,350,331.49
  5. Step 5: Solve for x
    x = 5,195,350,331.49/60,057.54
  6. Step 6: Final answer
    x = 86,506.21

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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.