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Finding the Fourth Proportional to 34,720.04, 47,913.64 and 18,804.48

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Solution

The fourth proportional to 34,720.04, 47,913.64 and 18,804.48 is: 25,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.04 : 47,913.64 = 18,804.48 : x
  2. Step 2: Convert to fraction form
    34,720.04/47,913.64 = 18,804.48/x
  3. Step 3: Cross multiply
    34,720.04x = 47,913.64 × 18,804.48
  4. Step 4: Simplify right side
    34,720.04x = 900,991,085.11
  5. Step 5: Solve for x
    x = 900,991,085.11/34,720.04
  6. Step 6: Final answer
    x = 25,950.17

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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.