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Finding the Fourth Proportional to 6,295.86, 8,685.23 and 4,888.89

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Solution

The fourth proportional to 6,295.86, 8,685.23 and 4,888.89 is: 6,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.86 : 8,685.23 = 4,888.89 : x
  2. Step 2: Convert to fraction form
    6,295.86/8,685.23 = 4,888.89/x
  3. Step 3: Cross multiply
    6,295.86x = 8,685.23 × 4,888.89
  4. Step 4: Simplify right side
    6,295.86x = 42,461,109.65
  5. Step 5: Solve for x
    x = 42,461,109.65/6,295.86
  6. Step 6: Final answer
    x = 6,744.29

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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.