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Finding the Fourth Proportional to 56,670.86, 85,024.76 and 27,091.01

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Solution

The fourth proportional to 56,670.86, 85,024.76 and 27,091.01 is: 40,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.86 : 85,024.76 = 27,091.01 : x
  2. Step 2: Convert to fraction form
    56,670.86/85,024.76 = 27,091.01/x
  3. Step 3: Cross multiply
    56,670.86x = 85,024.76 × 27,091.01
  4. Step 4: Simplify right side
    56,670.86x = 2,303,406,700.51
  5. Step 5: Solve for x
    x = 2,303,406,700.51/56,670.86
  6. Step 6: Final answer
    x = 40,645.34

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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.