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Finding the Fourth Proportional to 62,651.18, 93,980.88 and 18,274.22

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Solution

The fourth proportional to 62,651.18, 93,980.88 and 18,274.22 is: 27,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,651.18 : 93,980.88 = 18,274.22 : x
  2. Step 2: Convert to fraction form
    62,651.18/93,980.88 = 18,274.22/x
  3. Step 3: Cross multiply
    62,651.18x = 93,980.88 × 18,274.22
  4. Step 4: Simplify right side
    62,651.18x = 1,717,427,159.44
  5. Step 5: Solve for x
    x = 1,717,427,159.44/62,651.18
  6. Step 6: Final answer
    x = 27,412.53

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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.