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Finding the Fourth Proportional to 26,795.95, 36,978.63 and 14,859.48

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Solution

The fourth proportional to 26,795.95, 36,978.63 and 14,859.48 is: 20,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795.95 : 36,978.63 = 14,859.48 : x
  2. Step 2: Convert to fraction form
    26,795.95/36,978.63 = 14,859.48/x
  3. Step 3: Cross multiply
    26,795.95x = 36,978.63 × 14,859.48
  4. Step 4: Simplify right side
    26,795.95x = 549,483,295.86
  5. Step 5: Solve for x
    x = 549,483,295.86/26,795.95
  6. Step 6: Final answer
    x = 20,506.21

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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.