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Finding the Fourth Proportional to 64,053.59, 88,511.31 and 55,528.39

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Solution

The fourth proportional to 64,053.59, 88,511.31 and 55,528.39 is: 76,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.59 : 88,511.31 = 55,528.39 : x
  2. Step 2: Convert to fraction form
    64,053.59/88,511.31 = 55,528.39/x
  3. Step 3: Cross multiply
    64,053.59x = 88,511.31 × 55,528.39
  4. Step 4: Simplify right side
    64,053.59x = 4,914,889,997.68
  5. Step 5: Solve for x
    x = 4,914,889,997.68/64,053.59
  6. Step 6: Final answer
    x = 76,730.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.