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Finding the Fourth Proportional to 7,407.99, 10,223.04 and 4,050.82

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Solution

The fourth proportional to 7,407.99, 10,223.04 and 4,050.82 is: 5,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.99 : 10,223.04 = 4,050.82 : x
  2. Step 2: Convert to fraction form
    7,407.99/10,223.04 = 4,050.82/x
  3. Step 3: Cross multiply
    7,407.99x = 10,223.04 × 4,050.82
  4. Step 4: Simplify right side
    7,407.99x = 41,411,654.14
  5. Step 5: Solve for x
    x = 41,411,654.14/7,407.99
  6. Step 6: Final answer
    x = 5,590.13

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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.