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Finding the Fourth Proportional to 31,041.88, 46,562.82 and 7,668.76

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Solution

The fourth proportional to 31,041.88, 46,562.82 and 7,668.76 is: 11,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.88 : 46,562.82 = 7,668.76 : x
  2. Step 2: Convert to fraction form
    31,041.88/46,562.82 = 7,668.76/x
  3. Step 3: Cross multiply
    31,041.88x = 46,562.82 × 7,668.76
  4. Step 4: Simplify right side
    31,041.88x = 357,079,091.50
  5. Step 5: Solve for x
    x = 357,079,091.50/31,041.88
  6. Step 6: Final answer
    x = 11,503.14

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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.