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Finding the Fourth Proportional to 58,803.68, 81,149.64 and 31,946.39

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Solution

The fourth proportional to 58,803.68, 81,149.64 and 31,946.39 is: 44,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.68 : 81,149.64 = 31,946.39 : x
  2. Step 2: Convert to fraction form
    58,803.68/81,149.64 = 31,946.39/x
  3. Step 3: Cross multiply
    58,803.68x = 81,149.64 × 31,946.39
  4. Step 4: Simplify right side
    58,803.68x = 2,592,438,047.80
  5. Step 5: Solve for x
    x = 2,592,438,047.80/58,803.68
  6. Step 6: Final answer
    x = 44,086.32

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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.