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Finding the Fourth Proportional to 63,510.30, 87,655.65 and 36,649.08

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Solution

The fourth proportional to 63,510.30, 87,655.65 and 36,649.08 is: 50,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,510.30 : 87,655.65 = 36,649.08 : x
  2. Step 2: Convert to fraction form
    63,510.30/87,655.65 = 36,649.08/x
  3. Step 3: Cross multiply
    63,510.30x = 87,655.65 × 36,649.08
  4. Step 4: Simplify right side
    63,510.30x = 3,212,498,929.30
  5. Step 5: Solve for x
    x = 3,212,498,929.30/63,510.30
  6. Step 6: Final answer
    x = 50,582.33

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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.