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Finding the Fourth Proportional to 10,479.58, 14,461.44 and 5,763.76

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Solution

The fourth proportional to 10,479.58, 14,461.44 and 5,763.76 is: 7,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.58 : 14,461.44 = 5,763.76 : x
  2. Step 2: Convert to fraction form
    10,479.58/14,461.44 = 5,763.76/x
  3. Step 3: Cross multiply
    10,479.58x = 14,461.44 × 5,763.76
  4. Step 4: Simplify right side
    10,479.58x = 83,352,211.65
  5. Step 5: Solve for x
    x = 83,352,211.65/10,479.58
  6. Step 6: Final answer
    x = 7,953.78

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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.