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Finding the Fourth Proportional to 10,010.99, 15,018.20 and 4,464.21

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Solution

The fourth proportional to 10,010.99, 15,018.20 and 4,464.21 is: 6,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.99 : 15,018.20 = 4,464.21 : x
  2. Step 2: Convert to fraction form
    10,010.99/15,018.20 = 4,464.21/x
  3. Step 3: Cross multiply
    10,010.99x = 15,018.20 × 4,464.21
  4. Step 4: Simplify right side
    10,010.99x = 67,044,376.30
  5. Step 5: Solve for x
    x = 67,044,376.30/10,010.99
  6. Step 6: Final answer
    x = 6,697.08

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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.