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Finding the Fourth Proportional to 64,920.48, 97,381.44 and 22,798.80

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Solution

The fourth proportional to 64,920.48, 97,381.44 and 22,798.80 is: 34,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,920.48 : 97,381.44 = 22,798.80 : x
  2. Step 2: Convert to fraction form
    64,920.48/97,381.44 = 22,798.80/x
  3. Step 3: Cross multiply
    64,920.48x = 97,381.44 × 22,798.80
  4. Step 4: Simplify right side
    64,920.48x = 2,220,179,974.27
  5. Step 5: Solve for x
    x = 2,220,179,974.27/64,920.48
  6. Step 6: Final answer
    x = 34,198.45

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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.