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Finding the Fourth Proportional to 55,048.49, 75,967.31 and 29,897.99

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Solution

The fourth proportional to 55,048.49, 75,967.31 and 29,897.99 is: 41,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.49 : 75,967.31 = 29,897.99 : x
  2. Step 2: Convert to fraction form
    55,048.49/75,967.31 = 29,897.99/x
  3. Step 3: Cross multiply
    55,048.49x = 75,967.31 × 29,897.99
  4. Step 4: Simplify right side
    55,048.49x = 2,271,269,725.22
  5. Step 5: Solve for x
    x = 2,271,269,725.22/55,048.49
  6. Step 6: Final answer
    x = 41,259.44

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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.