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Finding the Fourth Proportional to 29,875.84, 44,813.46 and 7,689.13

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Solution

The fourth proportional to 29,875.84, 44,813.46 and 7,689.13 is: 11,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,875.84 : 44,813.46 = 7,689.13 : x
  2. Step 2: Convert to fraction form
    29,875.84/44,813.46 = 7,689.13/x
  3. Step 3: Cross multiply
    29,875.84x = 44,813.46 × 7,689.13
  4. Step 4: Simplify right side
    29,875.84x = 344,576,481.24
  5. Step 5: Solve for x
    x = 344,576,481.24/29,875.84
  6. Step 6: Final answer
    x = 11,533.62

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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.