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Finding the Fourth Proportional to 17,445.32, 24,072.80 and 9,890.14

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Solution

The fourth proportional to 17,445.32, 24,072.80 and 9,890.14 is: 13,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.32 : 24,072.80 = 9,890.14 : x
  2. Step 2: Convert to fraction form
    17,445.32/24,072.80 = 9,890.14/x
  3. Step 3: Cross multiply
    17,445.32x = 24,072.80 × 9,890.14
  4. Step 4: Simplify right side
    17,445.32x = 238,083,362.19
  5. Step 5: Solve for x
    x = 238,083,362.19/17,445.32
  6. Step 6: Final answer
    x = 13,647.41

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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.