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Finding the Fourth Proportional to 7,889.54, 10,888.53 and 4,532.35

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Solution

The fourth proportional to 7,889.54, 10,888.53 and 4,532.35 is: 6,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.54 : 10,888.53 = 4,532.35 : x
  2. Step 2: Convert to fraction form
    7,889.54/10,888.53 = 4,532.35/x
  3. Step 3: Cross multiply
    7,889.54x = 10,888.53 × 4,532.35
  4. Step 4: Simplify right side
    7,889.54x = 49,350,551.84
  5. Step 5: Solve for x
    x = 49,350,551.84/7,889.54
  6. Step 6: Final answer
    x = 6,255.19

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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.