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Finding the Fourth Proportional to 19,653.60, 27,122.01 and 10,701.15

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Solution

The fourth proportional to 19,653.60, 27,122.01 and 10,701.15 is: 14,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.60 : 27,122.01 = 10,701.15 : x
  2. Step 2: Convert to fraction form
    19,653.60/27,122.01 = 10,701.15/x
  3. Step 3: Cross multiply
    19,653.60x = 27,122.01 × 10,701.15
  4. Step 4: Simplify right side
    19,653.60x = 290,236,555.47
  5. Step 5: Solve for x
    x = 290,236,555.47/19,653.60
  6. Step 6: Final answer
    x = 14,767.60

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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.