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Finding the Fourth Proportional to 19,894.70, 29,835.36 and 10,027.68

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Solution

The fourth proportional to 19,894.70, 29,835.36 and 10,027.68 is: 15,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.70 : 29,835.36 = 10,027.68 : x
  2. Step 2: Convert to fraction form
    19,894.70/29,835.36 = 10,027.68/x
  3. Step 3: Cross multiply
    19,894.70x = 29,835.36 × 10,027.68
  4. Step 4: Simplify right side
    19,894.70x = 299,179,442.76
  5. Step 5: Solve for x
    x = 299,179,442.76/19,894.70
  6. Step 6: Final answer
    x = 15,038.15

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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.