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Finding the Fourth Proportional to 8,762.01, 13,140.28 and 2,917.25

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Solution

The fourth proportional to 8,762.01, 13,140.28 and 2,917.25 is: 4,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.01 : 13,140.28 = 2,917.25 : x
  2. Step 2: Convert to fraction form
    8,762.01/13,140.28 = 2,917.25/x
  3. Step 3: Cross multiply
    8,762.01x = 13,140.28 × 2,917.25
  4. Step 4: Simplify right side
    8,762.01x = 38,333,467.24
  5. Step 5: Solve for x
    x = 38,333,467.24/8,762.01
  6. Step 6: Final answer
    x = 4,374.96

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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.