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Finding the Fourth Proportional to 17,315.30, 23,895.14 and 9,357.53

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Solution

The fourth proportional to 17,315.30, 23,895.14 and 9,357.53 is: 12,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.30 : 23,895.14 = 9,357.53 : x
  2. Step 2: Convert to fraction form
    17,315.30/23,895.14 = 9,357.53/x
  3. Step 3: Cross multiply
    17,315.30x = 23,895.14 × 9,357.53
  4. Step 4: Simplify right side
    17,315.30x = 223,599,400.42
  5. Step 5: Solve for x
    x = 223,599,400.42/17,315.30
  6. Step 6: Final answer
    x = 12,913.40

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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.