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Finding the Fourth Proportional to 7,551.99, 10,420.18 and 4,364.14

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Solution

The fourth proportional to 7,551.99, 10,420.18 and 4,364.14 is: 6,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.99 : 10,420.18 = 4,364.14 : x
  2. Step 2: Convert to fraction form
    7,551.99/10,420.18 = 4,364.14/x
  3. Step 3: Cross multiply
    7,551.99x = 10,420.18 × 4,364.14
  4. Step 4: Simplify right side
    7,551.99x = 45,475,124.35
  5. Step 5: Solve for x
    x = 45,475,124.35/7,551.99
  6. Step 6: Final answer
    x = 6,021.61

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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.