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Finding the Fourth Proportional to 64,370.66, 88,830.15 and 36,075.74

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Solution

The fourth proportional to 64,370.66, 88,830.15 and 36,075.74 is: 49,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.66 : 88,830.15 = 36,075.74 : x
  2. Step 2: Convert to fraction form
    64,370.66/88,830.15 = 36,075.74/x
  3. Step 3: Cross multiply
    64,370.66x = 88,830.15 × 36,075.74
  4. Step 4: Simplify right side
    64,370.66x = 3,204,613,395.56
  5. Step 5: Solve for x
    x = 3,204,613,395.56/64,370.66
  6. Step 6: Final answer
    x = 49,783.76

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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.