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Finding the Fourth Proportional to 63,809.71, 88,055.89 and 35,514.79

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Solution

The fourth proportional to 63,809.71, 88,055.89 and 35,514.79 is: 49,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.71 : 88,055.89 = 35,514.79 : x
  2. Step 2: Convert to fraction form
    63,809.71/88,055.89 = 35,514.79/x
  3. Step 3: Cross multiply
    63,809.71x = 88,055.89 × 35,514.79
  4. Step 4: Simplify right side
    63,809.71x = 3,127,286,132.69
  5. Step 5: Solve for x
    x = 3,127,286,132.69/63,809.71
  6. Step 6: Final answer
    x = 49,009.57

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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.