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Finding the Fourth Proportional to 6,518.88, 9,788.04 and 4,574.88

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Solution

The fourth proportional to 6,518.88, 9,788.04 and 4,574.88 is: 6,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.88 : 9,788.04 = 4,574.88 : x
  2. Step 2: Convert to fraction form
    6,518.88/9,788.04 = 4,574.88/x
  3. Step 3: Cross multiply
    6,518.88x = 9,788.04 × 4,574.88
  4. Step 4: Simplify right side
    6,518.88x = 44,779,108.44
  5. Step 5: Solve for x
    x = 44,779,108.44/6,518.88
  6. Step 6: Final answer
    x = 6,869.14

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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.