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Finding the Fourth Proportional to 4,550.01, 6,820.53 and 1,918.26

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Solution

The fourth proportional to 4,550.01, 6,820.53 and 1,918.26 is: 2,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.01 : 6,820.53 = 1,918.26 : x
  2. Step 2: Convert to fraction form
    4,550.01/6,820.53 = 1,918.26/x
  3. Step 3: Cross multiply
    4,550.01x = 6,820.53 × 1,918.26
  4. Step 4: Simplify right side
    4,550.01x = 13,083,549.88
  5. Step 5: Solve for x
    x = 13,083,549.88/4,550.01
  6. Step 6: Final answer
    x = 2,875.50

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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.