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Finding the Fourth Proportional to 58,714.64, 81,025.19 and 35,736.16

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Solution

The fourth proportional to 58,714.64, 81,025.19 and 35,736.16 is: 49,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,714.64 : 81,025.19 = 35,736.16 : x
  2. Step 2: Convert to fraction form
    58,714.64/81,025.19 = 35,736.16/x
  3. Step 3: Cross multiply
    58,714.64x = 81,025.19 × 35,736.16
  4. Step 4: Simplify right side
    58,714.64x = 2,895,528,570.06
  5. Step 5: Solve for x
    x = 2,895,528,570.06/58,714.64
  6. Step 6: Final answer
    x = 49,315.27

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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.