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Finding the Fourth Proportional to 35,605.15, 53,403.09 and 9,311.92

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Solution

The fourth proportional to 35,605.15, 53,403.09 and 9,311.92 is: 13,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.15 : 53,403.09 = 9,311.92 : x
  2. Step 2: Convert to fraction form
    35,605.15/53,403.09 = 9,311.92/x
  3. Step 3: Cross multiply
    35,605.15x = 53,403.09 × 9,311.92
  4. Step 4: Simplify right side
    35,605.15x = 497,285,301.83
  5. Step 5: Solve for x
    x = 497,285,301.83/35,605.15
  6. Step 6: Final answer
    x = 13,966.67

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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.