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Finding the Fourth Proportional to 64,621, 96,925.90 and 22,490.20

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Solution

The fourth proportional to 64,621, 96,925.90 and 22,490.20 is: 33,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,621 : 96,925.90 = 22,490.20 : x
  2. Step 2: Convert to fraction form
    64,621/96,925.90 = 22,490.20/x
  3. Step 3: Cross multiply
    64,621x = 96,925.90 × 22,490.20
  4. Step 4: Simplify right side
    64,621x = 2,179,882,876.18
  5. Step 5: Solve for x
    x = 2,179,882,876.18/64,621
  6. Step 6: Final answer
    x = 33,733.35

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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.