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Finding the Fourth Proportional to 9,235.76, 13,858.68 and 5,347.76

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Solution

The fourth proportional to 9,235.76, 13,858.68 and 5,347.76 is: 8,024.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.76 : 13,858.68 = 5,347.76 : x
  2. Step 2: Convert to fraction form
    9,235.76/13,858.68 = 5,347.76/x
  3. Step 3: Cross multiply
    9,235.76x = 13,858.68 × 5,347.76
  4. Step 4: Simplify right side
    9,235.76x = 74,112,894.56
  5. Step 5: Solve for x
    x = 74,112,894.56/9,235.76
  6. Step 6: Final answer
    x = 8,024.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.