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Finding the Fourth Proportional to 62,653.77, 93,987.54 and 18,287.78

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Solution

The fourth proportional to 62,653.77, 93,987.54 and 18,287.78 is: 27,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,653.77 : 93,987.54 = 18,287.78 : x
  2. Step 2: Convert to fraction form
    62,653.77/93,987.54 = 18,287.78/x
  3. Step 3: Cross multiply
    62,653.77x = 93,987.54 × 18,287.78
  4. Step 4: Simplify right side
    62,653.77x = 1,718,822,984.32
  5. Step 5: Solve for x
    x = 1,718,822,984.32/62,653.77
  6. Step 6: Final answer
    x = 27,433.67

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Similar ratio
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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.