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Finding the Fourth Proportional to 7,361.91, 10,159.07 and 4,004.64

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Solution

The fourth proportional to 7,361.91, 10,159.07 and 4,004.64 is: 5,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.91 : 10,159.07 = 4,004.64 : x
  2. Step 2: Convert to fraction form
    7,361.91/10,159.07 = 4,004.64/x
  3. Step 3: Cross multiply
    7,361.91x = 10,159.07 × 4,004.64
  4. Step 4: Simplify right side
    7,361.91x = 40,683,398.06
  5. Step 5: Solve for x
    x = 40,683,398.06/7,361.91
  6. Step 6: Final answer
    x = 5,526.20

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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.