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Finding the Fourth Proportional to 16,897.15, 23,317.95 and 9,445.15

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Solution

The fourth proportional to 16,897.15, 23,317.95 and 9,445.15 is: 13,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.15 : 23,317.95 = 9,445.15 : x
  2. Step 2: Convert to fraction form
    16,897.15/23,317.95 = 9,445.15/x
  3. Step 3: Cross multiply
    16,897.15x = 23,317.95 × 9,445.15
  4. Step 4: Simplify right side
    16,897.15x = 220,241,535.44
  5. Step 5: Solve for x
    x = 220,241,535.44/16,897.15
  6. Step 6: Final answer
    x = 13,034.24

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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.