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Finding the Fourth Proportional to 31,237.95, 46,859.36 and 9,051.65

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Solution

The fourth proportional to 31,237.95, 46,859.36 and 9,051.65 is: 13,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,237.95 : 46,859.36 = 9,051.65 : x
  2. Step 2: Convert to fraction form
    31,237.95/46,859.36 = 9,051.65/x
  3. Step 3: Cross multiply
    31,237.95x = 46,859.36 × 9,051.65
  4. Step 4: Simplify right side
    31,237.95x = 424,154,246.39
  5. Step 5: Solve for x
    x = 424,154,246.39/31,237.95
  6. Step 6: Final answer
    x = 13,578.17

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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.