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Finding the Fourth Proportional to 65,135.07, 89,888.00 and 36,454.51

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Solution

The fourth proportional to 65,135.07, 89,888.00 and 36,454.51 is: 50,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,135.07 : 89,888.00 = 36,454.51 : x
  2. Step 2: Convert to fraction form
    65,135.07/89,888.00 = 36,454.51/x
  3. Step 3: Cross multiply
    65,135.07x = 89,888.00 × 36,454.51
  4. Step 4: Simplify right side
    65,135.07x = 3,276,822,419.35
  5. Step 5: Solve for x
    x = 3,276,822,419.35/65,135.07
  6. Step 6: Final answer
    x = 50,308.11

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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.