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Finding the Fourth Proportional to 17,317.95, 23,898.78 and 9,360.15

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Solution

The fourth proportional to 17,317.95, 23,898.78 and 9,360.15 is: 12,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.95 : 23,898.78 = 9,360.15 : x
  2. Step 2: Convert to fraction form
    17,317.95/23,898.78 = 9,360.15/x
  3. Step 3: Cross multiply
    17,317.95x = 23,898.78 × 9,360.15
  4. Step 4: Simplify right side
    17,317.95x = 223,696,184.10
  5. Step 5: Solve for x
    x = 223,696,184.10/17,317.95
  6. Step 6: Final answer
    x = 12,917.01

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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.