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Finding the Fourth Proportional to 39,370.32, 59,042.72 and 13,068

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Solution

The fourth proportional to 39,370.32, 59,042.72 and 13,068 is: 19,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.32 : 59,042.72 = 13,068 : x
  2. Step 2: Convert to fraction form
    39,370.32/59,042.72 = 13,068/x
  3. Step 3: Cross multiply
    39,370.32x = 59,042.72 × 13,068
  4. Step 4: Simplify right side
    39,370.32x = 771,570,297.63
  5. Step 5: Solve for x
    x = 771,570,297.63/39,370.32
  6. Step 6: Final answer
    x = 19,597.77

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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.