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Finding the Fourth Proportional to 17,303.86, 23,879.32 and 9,346.08

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Solution

The fourth proportional to 17,303.86, 23,879.32 and 9,346.08 is: 12,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,303.86 : 23,879.32 = 9,346.08 : x
  2. Step 2: Convert to fraction form
    17,303.86/23,879.32 = 9,346.08/x
  3. Step 3: Cross multiply
    17,303.86x = 23,879.32 × 9,346.08
  4. Step 4: Simplify right side
    17,303.86x = 223,178,035.07
  5. Step 5: Solve for x
    x = 223,178,035.07/17,303.86
  6. Step 6: Final answer
    x = 12,897.59

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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.