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Finding the Fourth Proportional to 31,326.48, 46,984.73 and 9,134.67

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Solution

The fourth proportional to 31,326.48, 46,984.73 and 9,134.67 is: 13,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.48 : 46,984.73 = 9,134.67 : x
  2. Step 2: Convert to fraction form
    31,326.48/46,984.73 = 9,134.67/x
  3. Step 3: Cross multiply
    31,326.48x = 46,984.73 × 9,134.67
  4. Step 4: Simplify right side
    31,326.48x = 429,189,957.92
  5. Step 5: Solve for x
    x = 429,189,957.92/31,326.48
  6. Step 6: Final answer
    x = 13,700.55

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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.