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Finding the Fourth Proportional to 17,089.96, 25,681.12 and 16,127.68

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Solution

The fourth proportional to 17,089.96, 25,681.12 and 16,127.68 is: 24,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.96 : 25,681.12 = 16,127.68 : x
  2. Step 2: Convert to fraction form
    17,089.96/25,681.12 = 16,127.68/x
  3. Step 3: Cross multiply
    17,089.96x = 25,681.12 × 16,127.68
  4. Step 4: Simplify right side
    17,089.96x = 414,176,885.40
  5. Step 5: Solve for x
    x = 414,176,885.40/17,089.96
  6. Step 6: Final answer
    x = 24,235.10

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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.