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Finding the Fourth Proportional to 64,663.99, 89,232.51 and 35,982.70

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Solution

The fourth proportional to 64,663.99, 89,232.51 and 35,982.70 is: 49,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,663.99 : 89,232.51 = 35,982.70 : x
  2. Step 2: Convert to fraction form
    64,663.99/89,232.51 = 35,982.70/x
  3. Step 3: Cross multiply
    64,663.99x = 89,232.51 × 35,982.70
  4. Step 4: Simplify right side
    64,663.99x = 3,210,826,637.58
  5. Step 5: Solve for x
    x = 3,210,826,637.58/64,663.99
  6. Step 6: Final answer
    x = 49,654.01

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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.