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Finding the Fourth Proportional to 64,802.56, 88,844.30 and 63,621.58

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Solution

The fourth proportional to 64,802.56, 88,844.30 and 63,621.58 is: 87,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.56 : 88,844.30 = 63,621.58 : x
  2. Step 2: Convert to fraction form
    64,802.56/88,844.30 = 63,621.58/x
  3. Step 3: Cross multiply
    64,802.56x = 88,844.30 × 63,621.58
  4. Step 4: Simplify right side
    64,802.56x = 5,652,414,739.99
  5. Step 5: Solve for x
    x = 5,652,414,739.99/64,802.56
  6. Step 6: Final answer
    x = 87,225.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.