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Finding the Fourth Proportional to 35,391.62, 53,010.87 and 16,643.57

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Solution

The fourth proportional to 35,391.62, 53,010.87 and 16,643.57 is: 24,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.62 : 53,010.87 = 16,643.57 : x
  2. Step 2: Convert to fraction form
    35,391.62/53,010.87 = 16,643.57/x
  3. Step 3: Cross multiply
    35,391.62x = 53,010.87 × 16,643.57
  4. Step 4: Simplify right side
    35,391.62x = 882,290,125.61
  5. Step 5: Solve for x
    x = 882,290,125.61/35,391.62
  6. Step 6: Final answer
    x = 24,929.35

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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.