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Finding the Fourth Proportional to 64,653.18, 89,210.96 and 36,357.18

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Solution

The fourth proportional to 64,653.18, 89,210.96 and 36,357.18 is: 50,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.18 : 89,210.96 = 36,357.18 : x
  2. Step 2: Convert to fraction form
    64,653.18/89,210.96 = 36,357.18/x
  3. Step 3: Cross multiply
    64,653.18x = 89,210.96 × 36,357.18
  4. Step 4: Simplify right side
    64,653.18x = 3,243,458,930.69
  5. Step 5: Solve for x
    x = 3,243,458,930.69/64,653.18
  6. Step 6: Final answer
    x = 50,167.04

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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.