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Finding the Fourth Proportional to 87,595.99, 130,913.96 and 63,953.34

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Solution

The fourth proportional to 87,595.99, 130,913.96 and 63,953.34 is: 95,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,595.99 : 130,913.96 = 63,953.34 : x
  2. Step 2: Convert to fraction form
    87,595.99/130,913.96 = 63,953.34/x
  3. Step 3: Cross multiply
    87,595.99x = 130,913.96 × 63,953.34
  4. Step 4: Simplify right side
    87,595.99x = 8,372,384,674.86
  5. Step 5: Solve for x
    x = 8,372,384,674.86/87,595.99
  6. Step 6: Final answer
    x = 95,579.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.