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Finding the Fourth Proportional to 10,572.63, 15,860.77 and 3,553.32

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Solution

The fourth proportional to 10,572.63, 15,860.77 and 3,553.32 is: 5,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.63 : 15,860.77 = 3,553.32 : x
  2. Step 2: Convert to fraction form
    10,572.63/15,860.77 = 3,553.32/x
  3. Step 3: Cross multiply
    10,572.63x = 15,860.77 × 3,553.32
  4. Step 4: Simplify right side
    10,572.63x = 56,358,391.26
  5. Step 5: Solve for x
    x = 56,358,391.26/10,572.63
  6. Step 6: Final answer
    x = 5,330.59

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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.