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Finding the Fourth Proportional to 17,907.09, 24,712.17 and 9,840.86

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Solution

The fourth proportional to 17,907.09, 24,712.17 and 9,840.86 is: 13,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.09 : 24,712.17 = 9,840.86 : x
  2. Step 2: Convert to fraction form
    17,907.09/24,712.17 = 9,840.86/x
  3. Step 3: Cross multiply
    17,907.09x = 24,712.17 × 9,840.86
  4. Step 4: Simplify right side
    17,907.09x = 243,188,881.71
  5. Step 5: Solve for x
    x = 243,188,881.71/17,907.09
  6. Step 6: Final answer
    x = 13,580.59

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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.