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Finding the Fourth Proportional to 16,948.58, 23,385.72 and 9,394.58

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Solution

The fourth proportional to 16,948.58, 23,385.72 and 9,394.58 is: 12,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.58 : 23,385.72 = 9,394.58 : x
  2. Step 2: Convert to fraction form
    16,948.58/23,385.72 = 9,394.58/x
  3. Step 3: Cross multiply
    16,948.58x = 23,385.72 × 9,394.58
  4. Step 4: Simplify right side
    16,948.58x = 219,699,017.40
  5. Step 5: Solve for x
    x = 219,699,017.40/16,948.58
  6. Step 6: Final answer
    x = 12,962.68

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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.