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Finding the Fourth Proportional to 18,602.64, 25,653.36 and 17,065.96

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Solution

The fourth proportional to 18,602.64, 25,653.36 and 17,065.96 is: 23,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602.64 : 25,653.36 = 17,065.96 : x
  2. Step 2: Convert to fraction form
    18,602.64/25,653.36 = 17,065.96/x
  3. Step 3: Cross multiply
    18,602.64x = 25,653.36 × 17,065.96
  4. Step 4: Simplify right side
    18,602.64x = 437,799,215.63
  5. Step 5: Solve for x
    x = 437,799,215.63/18,602.64
  6. Step 6: Final answer
    x = 23,534.25

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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.