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Finding the Fourth Proportional to 55,349.72, 83,015.64 and 15,897.88

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Solution

The fourth proportional to 55,349.72, 83,015.64 and 15,897.88 is: 23,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349.72 : 83,015.64 = 15,897.88 : x
  2. Step 2: Convert to fraction form
    55,349.72/83,015.64 = 15,897.88/x
  3. Step 3: Cross multiply
    55,349.72x = 83,015.64 × 15,897.88
  4. Step 4: Simplify right side
    55,349.72x = 1,319,772,682.84
  5. Step 5: Solve for x
    x = 1,319,772,682.84/55,349.72
  6. Step 6: Final answer
    x = 23,844.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.