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Finding the Fourth Proportional to 58,666.54, 80,959.07 and 31,808.96

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Solution

The fourth proportional to 58,666.54, 80,959.07 and 31,808.96 is: 43,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.54 : 80,959.07 = 31,808.96 : x
  2. Step 2: Convert to fraction form
    58,666.54/80,959.07 = 31,808.96/x
  3. Step 3: Cross multiply
    58,666.54x = 80,959.07 × 31,808.96
  4. Step 4: Simplify right side
    58,666.54x = 2,575,223,660.22
  5. Step 5: Solve for x
    x = 2,575,223,660.22/58,666.54
  6. Step 6: Final answer
    x = 43,895.96

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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.