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Finding the Fourth Proportional to 8,552.48, 12,830.40 and 3,358.40

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Solution

The fourth proportional to 8,552.48, 12,830.40 and 3,358.40 is: 5,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.48 : 12,830.40 = 3,358.40 : x
  2. Step 2: Convert to fraction form
    8,552.48/12,830.40 = 3,358.40/x
  3. Step 3: Cross multiply
    8,552.48x = 12,830.40 × 3,358.40
  4. Step 4: Simplify right side
    8,552.48x = 43,089,615.36
  5. Step 5: Solve for x
    x = 43,089,615.36/8,552.48
  6. Step 6: Final answer
    x = 5,038.26

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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.