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Finding the Fourth Proportional to 7,417.01, 10,235.09 and 4,230.39

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Solution

The fourth proportional to 7,417.01, 10,235.09 and 4,230.39 is: 5,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.01 : 10,235.09 = 4,230.39 : x
  2. Step 2: Convert to fraction form
    7,417.01/10,235.09 = 4,230.39/x
  3. Step 3: Cross multiply
    7,417.01x = 10,235.09 × 4,230.39
  4. Step 4: Simplify right side
    7,417.01x = 43,298,401.23
  5. Step 5: Solve for x
    x = 43,298,401.23/7,417.01
  6. Step 6: Final answer
    x = 5,837.72

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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.