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Finding the Fourth Proportional to 31,261.93, 46,892.96 and 7,888.37

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Solution

The fourth proportional to 31,261.93, 46,892.96 and 7,888.37 is: 11,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.93 : 46,892.96 = 7,888.37 : x
  2. Step 2: Convert to fraction form
    31,261.93/46,892.96 = 7,888.37/x
  3. Step 3: Cross multiply
    31,261.93x = 46,892.96 × 7,888.37
  4. Step 4: Simplify right side
    31,261.93x = 369,908,774.55
  5. Step 5: Solve for x
    x = 369,908,774.55/31,261.93
  6. Step 6: Final answer
    x = 11,832.56

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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.