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Finding the Fourth Proportional to 9,810, 13,537.86 and 5,333.84

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Solution

The fourth proportional to 9,810, 13,537.86 and 5,333.84 is: 7,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810 : 13,537.86 = 5,333.84 : x
  2. Step 2: Convert to fraction form
    9,810/13,537.86 = 5,333.84/x
  3. Step 3: Cross multiply
    9,810x = 13,537.86 × 5,333.84
  4. Step 4: Simplify right side
    9,810x = 72,208,779.18
  5. Step 5: Solve for x
    x = 72,208,779.18/9,810
  6. Step 6: Final answer
    x = 7,360.73

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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.