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Finding the Fourth Proportional to 17,017.60, 25,477.80 and 10,456.60

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Solution

The fourth proportional to 17,017.60, 25,477.80 and 10,456.60 is: 15,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.60 : 25,477.80 = 10,456.60 : x
  2. Step 2: Convert to fraction form
    17,017.60/25,477.80 = 10,456.60/x
  3. Step 3: Cross multiply
    17,017.60x = 25,477.80 × 10,456.60
  4. Step 4: Simplify right side
    17,017.60x = 266,411,163.48
  5. Step 5: Solve for x
    x = 266,411,163.48/17,017.60
  6. Step 6: Final answer
    x = 15,655.04

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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.