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Finding the Fourth Proportional to 60,388.32, 90,175.82 and 49,316.97

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Solution

The fourth proportional to 60,388.32, 90,175.82 and 49,316.97 is: 73,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.32 : 90,175.82 = 49,316.97 : x
  2. Step 2: Convert to fraction form
    60,388.32/90,175.82 = 49,316.97/x
  3. Step 3: Cross multiply
    60,388.32x = 90,175.82 × 49,316.97
  4. Step 4: Simplify right side
    60,388.32x = 4,447,197,635.49
  5. Step 5: Solve for x
    x = 4,447,197,635.49/60,388.32
  6. Step 6: Final answer
    x = 73,643.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.