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Finding the Fourth Proportional to 19,697.58, 29,545.69 and 8,601.74

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Solution

The fourth proportional to 19,697.58, 29,545.69 and 8,601.74 is: 12,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.58 : 29,545.69 = 8,601.74 : x
  2. Step 2: Convert to fraction form
    19,697.58/29,545.69 = 8,601.74/x
  3. Step 3: Cross multiply
    19,697.58x = 29,545.69 × 8,601.74
  4. Step 4: Simplify right side
    19,697.58x = 254,144,443.19
  5. Step 5: Solve for x
    x = 254,144,443.19/19,697.58
  6. Step 6: Final answer
    x = 12,902.32

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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.