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Finding the Fourth Proportional to 8,929.03, 13,392.46 and 2,355.71

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Solution

The fourth proportional to 8,929.03, 13,392.46 and 2,355.71 is: 3,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.03 : 13,392.46 = 2,355.71 : x
  2. Step 2: Convert to fraction form
    8,929.03/13,392.46 = 2,355.71/x
  3. Step 3: Cross multiply
    8,929.03x = 13,392.46 × 2,355.71
  4. Step 4: Simplify right side
    8,929.03x = 31,548,779.54
  5. Step 5: Solve for x
    x = 31,548,779.54/8,929.03
  6. Step 6: Final answer
    x = 3,533.28

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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.