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Finding the Fourth Proportional to 5,800.65, 7,999.74 and 4,681.23

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Solution

The fourth proportional to 5,800.65, 7,999.74 and 4,681.23 is: 6,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.65 : 7,999.74 = 4,681.23 : x
  2. Step 2: Convert to fraction form
    5,800.65/7,999.74 = 4,681.23/x
  3. Step 3: Cross multiply
    5,800.65x = 7,999.74 × 4,681.23
  4. Step 4: Simplify right side
    5,800.65x = 37,448,622.88
  5. Step 5: Solve for x
    x = 37,448,622.88/5,800.65
  6. Step 6: Final answer
    x = 6,455.94

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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.