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Finding the Fourth Proportional to 14,808.65, 22,177.74 and 8,555.72

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Solution

The fourth proportional to 14,808.65, 22,177.74 and 8,555.72 is: 12,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.65 : 22,177.74 = 8,555.72 : x
  2. Step 2: Convert to fraction form
    14,808.65/22,177.74 = 8,555.72/x
  3. Step 3: Cross multiply
    14,808.65x = 22,177.74 × 8,555.72
  4. Step 4: Simplify right side
    14,808.65x = 189,746,533.67
  5. Step 5: Solve for x
    x = 189,746,533.67/14,808.65
  6. Step 6: Final answer
    x = 12,813.22

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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.