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Finding the Fourth Proportional to 7,352.79, 11,026.80 and 2,421.27

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Solution

The fourth proportional to 7,352.79, 11,026.80 and 2,421.27 is: 3,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.79 : 11,026.80 = 2,421.27 : x
  2. Step 2: Convert to fraction form
    7,352.79/11,026.80 = 2,421.27/x
  3. Step 3: Cross multiply
    7,352.79x = 11,026.80 × 2,421.27
  4. Step 4: Simplify right side
    7,352.79x = 26,698,860.04
  5. Step 5: Solve for x
    x = 26,698,860.04/7,352.79
  6. Step 6: Final answer
    x = 3,631.12

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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.