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Finding the Fourth Proportional to 16,800.48, 25,211.86 and 9,307.17

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Solution

The fourth proportional to 16,800.48, 25,211.86 and 9,307.17 is: 13,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.48 : 25,211.86 = 9,307.17 : x
  2. Step 2: Convert to fraction form
    16,800.48/25,211.86 = 9,307.17/x
  3. Step 3: Cross multiply
    16,800.48x = 25,211.86 × 9,307.17
  4. Step 4: Simplify right side
    16,800.48x = 234,651,043.77
  5. Step 5: Solve for x
    x = 234,651,043.77/16,800.48
  6. Step 6: Final answer
    x = 13,966.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.