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Finding the Fourth Proportional to 34,720.58, 47,914.14 and 18,804.66

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Solution

The fourth proportional to 34,720.58, 47,914.14 and 18,804.66 is: 25,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.58 : 47,914.14 = 18,804.66 : x
  2. Step 2: Convert to fraction form
    34,720.58/47,914.14 = 18,804.66/x
  3. Step 3: Cross multiply
    34,720.58x = 47,914.14 × 18,804.66
  4. Step 4: Simplify right side
    34,720.58x = 901,009,111.89
  5. Step 5: Solve for x
    x = 901,009,111.89/34,720.58
  6. Step 6: Final answer
    x = 25,950.29

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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.