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Finding the Fourth Proportional to 6,772.80, 9,326.96 and 5,582.93

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Solution

The fourth proportional to 6,772.80, 9,326.96 and 5,582.93 is: 7,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.80 : 9,326.96 = 5,582.93 : x
  2. Step 2: Convert to fraction form
    6,772.80/9,326.96 = 5,582.93/x
  3. Step 3: Cross multiply
    6,772.80x = 9,326.96 × 5,582.93
  4. Step 4: Simplify right side
    6,772.80x = 52,071,802.07
  5. Step 5: Solve for x
    x = 52,071,802.07/6,772.80
  6. Step 6: Final answer
    x = 7,688.37

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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.