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Finding the Fourth Proportional to 64,495.91, 88,999.47 and 36,196.13

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Solution

The fourth proportional to 64,495.91, 88,999.47 and 36,196.13 is: 49,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,495.91 : 88,999.47 = 36,196.13 : x
  2. Step 2: Convert to fraction form
    64,495.91/88,999.47 = 36,196.13/x
  3. Step 3: Cross multiply
    64,495.91x = 88,999.47 × 36,196.13
  4. Step 4: Simplify right side
    64,495.91x = 3,221,436,386.05
  5. Step 5: Solve for x
    x = 3,221,436,386.05/64,495.91
  6. Step 6: Final answer
    x = 49,947.92

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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.