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Finding the Fourth Proportional to 40,943.86, 56,501.86 and 23,038.86

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Solution

The fourth proportional to 40,943.86, 56,501.86 and 23,038.86 is: 31,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943.86 : 56,501.86 = 23,038.86 : x
  2. Step 2: Convert to fraction form
    40,943.86/56,501.86 = 23,038.86/x
  3. Step 3: Cross multiply
    40,943.86x = 56,501.86 × 23,038.86
  4. Step 4: Simplify right side
    40,943.86x = 1,301,738,442.28
  5. Step 5: Solve for x
    x = 1,301,738,442.28/40,943.86
  6. Step 6: Final answer
    x = 31,793.25

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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.