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Finding the Fourth Proportional to 63,649.33, 87,836.13 and 34,970.84

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Solution

The fourth proportional to 63,649.33, 87,836.13 and 34,970.84 is: 48,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.33 : 87,836.13 = 34,970.84 : x
  2. Step 2: Convert to fraction form
    63,649.33/87,836.13 = 34,970.84/x
  3. Step 3: Cross multiply
    63,649.33x = 87,836.13 × 34,970.84
  4. Step 4: Simplify right side
    63,649.33x = 3,071,703,342.81
  5. Step 5: Solve for x
    x = 3,071,703,342.81/63,649.33
  6. Step 6: Final answer
    x = 48,259.79

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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.