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Finding the Fourth Proportional to 10,569.88, 15,842.94 and 5,018.68

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Solution

The fourth proportional to 10,569.88, 15,842.94 and 5,018.68 is: 7,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.88 : 15,842.94 = 5,018.68 : x
  2. Step 2: Convert to fraction form
    10,569.88/15,842.94 = 5,018.68/x
  3. Step 3: Cross multiply
    10,569.88x = 15,842.94 × 5,018.68
  4. Step 4: Simplify right side
    10,569.88x = 79,510,646.12
  5. Step 5: Solve for x
    x = 79,510,646.12/10,569.88
  6. Step 6: Final answer
    x = 7,522.38

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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.