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Finding the Fourth Proportional to 64,430.34, 96,622.34 and 22,298.99

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Solution

The fourth proportional to 64,430.34, 96,622.34 and 22,298.99 is: 33,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.34 : 96,622.34 = 22,298.99 : x
  2. Step 2: Convert to fraction form
    64,430.34/96,622.34 = 22,298.99/x
  3. Step 3: Cross multiply
    64,430.34x = 96,622.34 × 22,298.99
  4. Step 4: Simplify right side
    64,430.34x = 2,154,579,998.83
  5. Step 5: Solve for x
    x = 2,154,579,998.83/64,430.34
  6. Step 6: Final answer
    x = 33,440.46

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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.