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Finding the Fourth Proportional to 75,009.45, 112,569.54 and 35,566.71

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Solution

The fourth proportional to 75,009.45, 112,569.54 and 35,566.71 is: 53,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,009.45 : 112,569.54 = 35,566.71 : x
  2. Step 2: Convert to fraction form
    75,009.45/112,569.54 = 35,566.71/x
  3. Step 3: Cross multiply
    75,009.45x = 112,569.54 × 35,566.71
  4. Step 4: Simplify right side
    75,009.45x = 4,003,727,443.33
  5. Step 5: Solve for x
    x = 4,003,727,443.33/75,009.45
  6. Step 6: Final answer
    x = 53,376.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.