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Finding the Fourth Proportional to 47,083.80, 64,959.80 and 26,663.06

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Solution

The fourth proportional to 47,083.80, 64,959.80 and 26,663.06 is: 36,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,083.80 : 64,959.80 = 26,663.06 : x
  2. Step 2: Convert to fraction form
    47,083.80/64,959.80 = 26,663.06/x
  3. Step 3: Cross multiply
    47,083.80x = 64,959.80 × 26,663.06
  4. Step 4: Simplify right side
    47,083.80x = 1,732,027,044.99
  5. Step 5: Solve for x
    x = 1,732,027,044.99/47,083.80
  6. Step 6: Final answer
    x = 36,786.05

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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.