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Finding the Fourth Proportional to 14,465.61, 19,964.03 and 8,800.76

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Solution

The fourth proportional to 14,465.61, 19,964.03 and 8,800.76 is: 12,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.61 : 19,964.03 = 8,800.76 : x
  2. Step 2: Convert to fraction form
    14,465.61/19,964.03 = 8,800.76/x
  3. Step 3: Cross multiply
    14,465.61x = 19,964.03 × 8,800.76
  4. Step 4: Simplify right side
    14,465.61x = 175,698,642.57
  5. Step 5: Solve for x
    x = 175,698,642.57/14,465.61
  6. Step 6: Final answer
    x = 12,145.95

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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.