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Finding the Fourth Proportional to 31,058.36, 46,586.99 and 7,684.79

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Solution

The fourth proportional to 31,058.36, 46,586.99 and 7,684.79 is: 11,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.36 : 46,586.99 = 7,684.79 : x
  2. Step 2: Convert to fraction form
    31,058.36/46,586.99 = 7,684.79/x
  3. Step 3: Cross multiply
    31,058.36x = 46,586.99 × 7,684.79
  4. Step 4: Simplify right side
    31,058.36x = 358,010,963.52
  5. Step 5: Solve for x
    x = 358,010,963.52/31,058.36
  6. Step 6: Final answer
    x = 11,527.04

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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.