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Finding the Fourth Proportional to 7,690.55, 11,536.02 and 4,402.08

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Solution

The fourth proportional to 7,690.55, 11,536.02 and 4,402.08 is: 6,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.55 : 11,536.02 = 4,402.08 : x
  2. Step 2: Convert to fraction form
    7,690.55/11,536.02 = 4,402.08/x
  3. Step 3: Cross multiply
    7,690.55x = 11,536.02 × 4,402.08
  4. Step 4: Simplify right side
    7,690.55x = 50,782,482.92
  5. Step 5: Solve for x
    x = 50,782,482.92/7,690.55
  6. Step 6: Final answer
    x = 6,603.24

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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.