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Finding the Fourth Proportional to 26,795.97, 36,978.37 and 14,859

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Solution

The fourth proportional to 26,795.97, 36,978.37 and 14,859 is: 20,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795.97 : 36,978.37 = 14,859 : x
  2. Step 2: Convert to fraction form
    26,795.97/36,978.37 = 14,859/x
  3. Step 3: Cross multiply
    26,795.97x = 36,978.37 × 14,859
  4. Step 4: Simplify right side
    26,795.97x = 549,461,599.83
  5. Step 5: Solve for x
    x = 549,461,599.83/26,795.97
  6. Step 6: Final answer
    x = 20,505.38

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1.5x scale

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.