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Finding the Fourth Proportional to 9,852.76, 13,596.93 and 5,376.49

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Solution

The fourth proportional to 9,852.76, 13,596.93 and 5,376.49 is: 7,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,852.76 : 13,596.93 = 5,376.49 : x
  2. Step 2: Convert to fraction form
    9,852.76/13,596.93 = 5,376.49/x
  3. Step 3: Cross multiply
    9,852.76x = 13,596.93 × 5,376.49
  4. Step 4: Simplify right side
    9,852.76x = 73,103,758.18
  5. Step 5: Solve for x
    x = 73,103,758.18/9,852.76
  6. Step 6: Final answer
    x = 7,419.62

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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.