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Finding the Fourth Proportional to 6,391.62, 9,602.01 and 5,007.06

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Solution

The fourth proportional to 6,391.62, 9,602.01 and 5,007.06 is: 7,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.62 : 9,602.01 = 5,007.06 : x
  2. Step 2: Convert to fraction form
    6,391.62/9,602.01 = 5,007.06/x
  3. Step 3: Cross multiply
    6,391.62x = 9,602.01 × 5,007.06
  4. Step 4: Simplify right side
    6,391.62x = 48,077,840.19
  5. Step 5: Solve for x
    x = 48,077,840.19/6,391.62
  6. Step 6: Final answer
    x = 7,522.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.