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Finding the Fourth Proportional to 58,803.72, 81,148.74 and 31,946.04

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Solution

The fourth proportional to 58,803.72, 81,148.74 and 31,946.04 is: 44,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.72 : 81,148.74 = 31,946.04 : x
  2. Step 2: Convert to fraction form
    58,803.72/81,148.74 = 31,946.04/x
  3. Step 3: Cross multiply
    58,803.72x = 81,148.74 × 31,946.04
  4. Step 4: Simplify right side
    58,803.72x = 2,592,380,893.99
  5. Step 5: Solve for x
    x = 2,592,380,893.99/58,803.72
  6. Step 6: Final answer
    x = 44,085.32

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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.