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Finding the Fourth Proportional to 29,966.92, 44,970.44 and 12,436.76

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Solution

The fourth proportional to 29,966.92, 44,970.44 and 12,436.76 is: 18,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,966.92 : 44,970.44 = 12,436.76 : x
  2. Step 2: Convert to fraction form
    29,966.92/44,970.44 = 12,436.76/x
  3. Step 3: Cross multiply
    29,966.92x = 44,970.44 × 12,436.76
  4. Step 4: Simplify right side
    29,966.92x = 559,286,569.37
  5. Step 5: Solve for x
    x = 559,286,569.37/29,966.92
  6. Step 6: Final answer
    x = 18,663.47

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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.