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Finding the Fourth Proportional to 35,656.56, 53,369.16 and 18,992.88

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Solution

The fourth proportional to 35,656.56, 53,369.16 and 18,992.88 is: 28,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.56 : 53,369.16 = 18,992.88 : x
  2. Step 2: Convert to fraction form
    35,656.56/53,369.16 = 18,992.88/x
  3. Step 3: Cross multiply
    35,656.56x = 53,369.16 × 18,992.88
  4. Step 4: Simplify right side
    35,656.56x = 1,013,634,051.58
  5. Step 5: Solve for x
    x = 1,013,634,051.58/35,656.56
  6. Step 6: Final answer
    x = 28,427.70

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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.