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Finding the Fourth Proportional to 7,674.01, 10,590.69 and 4,690.42

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Solution

The fourth proportional to 7,674.01, 10,590.69 and 4,690.42 is: 6,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.01 : 10,590.69 = 4,690.42 : x
  2. Step 2: Convert to fraction form
    7,674.01/10,590.69 = 4,690.42/x
  3. Step 3: Cross multiply
    7,674.01x = 10,590.69 × 4,690.42
  4. Step 4: Simplify right side
    7,674.01x = 49,674,784.19
  5. Step 5: Solve for x
    x = 49,674,784.19/7,674.01
  6. Step 6: Final answer
    x = 6,473.12

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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.