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Finding the Fourth Proportional to 55,048.37, 75,967.13 and 29,897.87

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Solution

The fourth proportional to 55,048.37, 75,967.13 and 29,897.87 is: 41,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.37 : 75,967.13 = 29,897.87 : x
  2. Step 2: Convert to fraction form
    55,048.37/75,967.13 = 29,897.87/x
  3. Step 3: Cross multiply
    55,048.37x = 75,967.13 × 29,897.87
  4. Step 4: Simplify right side
    55,048.37x = 2,271,255,071.92
  5. Step 5: Solve for x
    x = 2,271,255,071.92/55,048.37
  6. Step 6: Final answer
    x = 41,259.26

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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.