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Finding the Fourth Proportional to 17,442.34, 24,069.93 and 9,889.39

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Solution

The fourth proportional to 17,442.34, 24,069.93 and 9,889.39 is: 13,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.34 : 24,069.93 = 9,889.39 : x
  2. Step 2: Convert to fraction form
    17,442.34/24,069.93 = 9,889.39/x
  3. Step 3: Cross multiply
    17,442.34x = 24,069.93 × 9,889.39
  4. Step 4: Simplify right side
    17,442.34x = 238,036,918.04
  5. Step 5: Solve for x
    x = 238,036,918.04/17,442.34
  6. Step 6: Final answer
    x = 13,647.08

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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.