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Finding the Fourth Proportional to 7,607.05, 10,497.20 and 4,203.91

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Solution

The fourth proportional to 7,607.05, 10,497.20 and 4,203.91 is: 5,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.05 : 10,497.20 = 4,203.91 : x
  2. Step 2: Convert to fraction form
    7,607.05/10,497.20 = 4,203.91/x
  3. Step 3: Cross multiply
    7,607.05x = 10,497.20 × 4,203.91
  4. Step 4: Simplify right side
    7,607.05x = 44,129,263.03
  5. Step 5: Solve for x
    x = 44,129,263.03/7,607.05
  6. Step 6: Final answer
    x = 5,801.10

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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.