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Finding the Fourth Proportional to 16,710.18, 25,068.44 and 6,715.70

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Solution

The fourth proportional to 16,710.18, 25,068.44 and 6,715.70 is: 10,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.18 : 25,068.44 = 6,715.70 : x
  2. Step 2: Convert to fraction form
    16,710.18/25,068.44 = 6,715.70/x
  3. Step 3: Cross multiply
    16,710.18x = 25,068.44 × 6,715.70
  4. Step 4: Simplify right side
    16,710.18x = 168,352,151.60
  5. Step 5: Solve for x
    x = 168,352,151.60/16,710.18
  6. Step 6: Final answer
    x = 10,074.83

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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.