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Finding the Fourth Proportional to 14,488.99, 19,994.11 and 8,898.91

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Solution

The fourth proportional to 14,488.99, 19,994.11 and 8,898.91 is: 12,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.99 : 19,994.11 = 8,898.91 : x
  2. Step 2: Convert to fraction form
    14,488.99/19,994.11 = 8,898.91/x
  3. Step 3: Cross multiply
    14,488.99x = 19,994.11 × 8,898.91
  4. Step 4: Simplify right side
    14,488.99x = 177,925,785.42
  5. Step 5: Solve for x
    x = 177,925,785.42/14,488.99
  6. Step 6: Final answer
    x = 12,280.07

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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.