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Finding the Fourth Proportional to 29,856.70, 44,785.05 and 19,359.10

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Solution

The fourth proportional to 29,856.70, 44,785.05 and 19,359.10 is: 29,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,856.70 : 44,785.05 = 19,359.10 : x
  2. Step 2: Convert to fraction form
    29,856.70/44,785.05 = 19,359.10/x
  3. Step 3: Cross multiply
    29,856.70x = 44,785.05 × 19,359.10
  4. Step 4: Simplify right side
    29,856.70x = 866,998,261.46
  5. Step 5: Solve for x
    x = 866,998,261.46/29,856.70
  6. Step 6: Final answer
    x = 29,038.65

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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.