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Finding the Fourth Proportional to 6,007.80, 8,285.58 and 5,657.88

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Solution

The fourth proportional to 6,007.80, 8,285.58 and 5,657.88 is: 7,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.80 : 8,285.58 = 5,657.88 : x
  2. Step 2: Convert to fraction form
    6,007.80/8,285.58 = 5,657.88/x
  3. Step 3: Cross multiply
    6,007.80x = 8,285.58 × 5,657.88
  4. Step 4: Simplify right side
    6,007.80x = 46,878,817.37
  5. Step 5: Solve for x
    x = 46,878,817.37/6,007.80
  6. Step 6: Final answer
    x = 7,802.99

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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.