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Finding the Fourth Proportional to 64,018.28, 96,027.44 and 21,898.76

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Solution

The fourth proportional to 64,018.28, 96,027.44 and 21,898.76 is: 32,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.28 : 96,027.44 = 21,898.76 : x
  2. Step 2: Convert to fraction form
    64,018.28/96,027.44 = 21,898.76/x
  3. Step 3: Cross multiply
    64,018.28x = 96,027.44 × 21,898.76
  4. Step 4: Simplify right side
    64,018.28x = 2,102,881,272.34
  5. Step 5: Solve for x
    x = 2,102,881,272.34/64,018.28
  6. Step 6: Final answer
    x = 32,848.14

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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.