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Finding the Fourth Proportional to 48,108.65, 72,163.01 and 13,048.29

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Solution

The fourth proportional to 48,108.65, 72,163.01 and 13,048.29 is: 19,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.65 : 72,163.01 = 13,048.29 : x
  2. Step 2: Convert to fraction form
    48,108.65/72,163.01 = 13,048.29/x
  3. Step 3: Cross multiply
    48,108.65x = 72,163.01 × 13,048.29
  4. Step 4: Simplify right side
    48,108.65x = 941,603,816.51
  5. Step 5: Solve for x
    x = 941,603,816.51/48,108.65
  6. Step 6: Final answer
    x = 19,572.45

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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.