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Finding the Fourth Proportional to 47,590.88, 65,669.12 and 27,448.48

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Solution

The fourth proportional to 47,590.88, 65,669.12 and 27,448.48 is: 37,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.88 : 65,669.12 = 27,448.48 : x
  2. Step 2: Convert to fraction form
    47,590.88/65,669.12 = 27,448.48/x
  3. Step 3: Cross multiply
    47,590.88x = 65,669.12 × 27,448.48
  4. Step 4: Simplify right side
    47,590.88x = 1,802,517,526.94
  5. Step 5: Solve for x
    x = 1,802,517,526.94/47,590.88
  6. Step 6: Final answer
    x = 37,875.27

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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.