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Finding the Fourth Proportional to 64,483.92, 88,996.50 and 36,191.16

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Solution

The fourth proportional to 64,483.92, 88,996.50 and 36,191.16 is: 49,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,483.92 : 88,996.50 = 36,191.16 : x
  2. Step 2: Convert to fraction form
    64,483.92/88,996.50 = 36,191.16/x
  3. Step 3: Cross multiply
    64,483.92x = 88,996.50 × 36,191.16
  4. Step 4: Simplify right side
    64,483.92x = 3,220,886,570.94
  5. Step 5: Solve for x
    x = 3,220,886,570.94/64,483.92
  6. Step 6: Final answer
    x = 49,948.68

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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.