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Finding the Fourth Proportional to 29,304.21, 43,955.79 and 9,313.61

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Solution

The fourth proportional to 29,304.21, 43,955.79 and 9,313.61 is: 13,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.21 : 43,955.79 = 9,313.61 : x
  2. Step 2: Convert to fraction form
    29,304.21/43,955.79 = 9,313.61/x
  3. Step 3: Cross multiply
    29,304.21x = 43,955.79 × 9,313.61
  4. Step 4: Simplify right side
    29,304.21x = 409,386,865.52
  5. Step 5: Solve for x
    x = 409,386,865.52/29,304.21
  6. Step 6: Final answer
    x = 13,970.24

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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.