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Finding the Fourth Proportional to 60,975.56, 84,045.62 and 40,825.32

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Solution

The fourth proportional to 60,975.56, 84,045.62 and 40,825.32 is: 56,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,975.56 : 84,045.62 = 40,825.32 : x
  2. Step 2: Convert to fraction form
    60,975.56/84,045.62 = 40,825.32/x
  3. Step 3: Cross multiply
    60,975.56x = 84,045.62 × 40,825.32
  4. Step 4: Simplify right side
    60,975.56x = 3,431,189,331.10
  5. Step 5: Solve for x
    x = 3,431,189,331.10/60,975.56
  6. Step 6: Final answer
    x = 56,271.55

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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.