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Finding the Fourth Proportional to 60,012.65, 82,840.79 and 53,714.09

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Solution

The fourth proportional to 60,012.65, 82,840.79 and 53,714.09 is: 74,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.65 : 82,840.79 = 53,714.09 : x
  2. Step 2: Convert to fraction form
    60,012.65/82,840.79 = 53,714.09/x
  3. Step 3: Cross multiply
    60,012.65x = 82,840.79 × 53,714.09
  4. Step 4: Simplify right side
    60,012.65x = 4,449,717,381.16
  5. Step 5: Solve for x
    x = 4,449,717,381.16/60,012.65
  6. Step 6: Final answer
    x = 74,146.32

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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.