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Finding the Fourth Proportional to 8,880.54, 13,328.01 and 5,407.26

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Solution

The fourth proportional to 8,880.54, 13,328.01 and 5,407.26 is: 8,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.54 : 13,328.01 = 5,407.26 : x
  2. Step 2: Convert to fraction form
    8,880.54/13,328.01 = 5,407.26/x
  3. Step 3: Cross multiply
    8,880.54x = 13,328.01 × 5,407.26
  4. Step 4: Simplify right side
    8,880.54x = 72,068,015.35
  5. Step 5: Solve for x
    x = 72,068,015.35/8,880.54
  6. Step 6: Final answer
    x = 8,115.27

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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.