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Finding the Fourth Proportional to 64,901.58, 89,564.31 and 35,093.58

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Solution

The fourth proportional to 64,901.58, 89,564.31 and 35,093.58 is: 48,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.58 : 89,564.31 = 35,093.58 : x
  2. Step 2: Convert to fraction form
    64,901.58/89,564.31 = 35,093.58/x
  3. Step 3: Cross multiply
    64,901.58x = 89,564.31 × 35,093.58
  4. Step 4: Simplify right side
    64,901.58x = 3,143,132,278.13
  5. Step 5: Solve for x
    x = 3,143,132,278.13/64,901.58
  6. Step 6: Final answer
    x = 48,429.21

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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.