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Finding the Fourth Proportional to 6,471, 8,925.12 and 4,484.88

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Solution

The fourth proportional to 6,471, 8,925.12 and 4,484.88 is: 6,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471 : 8,925.12 = 4,484.88 : x
  2. Step 2: Convert to fraction form
    6,471/8,925.12 = 4,484.88/x
  3. Step 3: Cross multiply
    6,471x = 8,925.12 × 4,484.88
  4. Step 4: Simplify right side
    6,471x = 40,028,092.19
  5. Step 5: Solve for x
    x = 40,028,092.19/6,471
  6. Step 6: Final answer
    x = 6,185.77

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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.