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Finding the Fourth Proportional to 63,009.64, 86,950.62 and 36,133.48

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Solution

The fourth proportional to 63,009.64, 86,950.62 and 36,133.48 is: 49,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.64 : 86,950.62 = 36,133.48 : x
  2. Step 2: Convert to fraction form
    63,009.64/86,950.62 = 36,133.48/x
  3. Step 3: Cross multiply
    63,009.64x = 86,950.62 × 36,133.48
  4. Step 4: Simplify right side
    63,009.64x = 3,141,828,488.76
  5. Step 5: Solve for x
    x = 3,141,828,488.76/63,009.64
  6. Step 6: Final answer
    x = 49,862.66

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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.