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Finding the Fourth Proportional to 5,365.90, 8,048.58 and 1,854.82

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Solution

The fourth proportional to 5,365.90, 8,048.58 and 1,854.82 is: 2,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.90 : 8,048.58 = 1,854.82 : x
  2. Step 2: Convert to fraction form
    5,365.90/8,048.58 = 1,854.82/x
  3. Step 3: Cross multiply
    5,365.90x = 8,048.58 × 1,854.82
  4. Step 4: Simplify right side
    5,365.90x = 14,928,667.16
  5. Step 5: Solve for x
    x = 14,928,667.16/5,365.90
  6. Step 6: Final answer
    x = 2,782.14

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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.