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Finding the Fourth Proportional to 60,967.10, 84,163.36 and 45,865.51

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Solution

The fourth proportional to 60,967.10, 84,163.36 and 45,865.51 is: 63,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.10 : 84,163.36 = 45,865.51 : x
  2. Step 2: Convert to fraction form
    60,967.10/84,163.36 = 45,865.51/x
  3. Step 3: Cross multiply
    60,967.10x = 84,163.36 × 45,865.51
  4. Step 4: Simplify right side
    60,967.10x = 3,860,195,429.71
  5. Step 5: Solve for x
    x = 3,860,195,429.71/60,967.10
  6. Step 6: Final answer
    x = 63,316.04

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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.