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Finding the Fourth Proportional to 7,242.62, 9,995.88 and 4,590.26

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Solution

The fourth proportional to 7,242.62, 9,995.88 and 4,590.26 is: 6,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.62 : 9,995.88 = 4,590.26 : x
  2. Step 2: Convert to fraction form
    7,242.62/9,995.88 = 4,590.26/x
  3. Step 3: Cross multiply
    7,242.62x = 9,995.88 × 4,590.26
  4. Step 4: Simplify right side
    7,242.62x = 45,883,688.13
  5. Step 5: Solve for x
    x = 45,883,688.13/7,242.62
  6. Step 6: Final answer
    x = 6,335.23

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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.