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Finding the Fourth Proportional to 5,317.64, 7,929.99 and 4,662.54

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Solution

The fourth proportional to 5,317.64, 7,929.99 and 4,662.54 is: 6,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.64 : 7,929.99 = 4,662.54 : x
  2. Step 2: Convert to fraction form
    5,317.64/7,929.99 = 4,662.54/x
  3. Step 3: Cross multiply
    5,317.64x = 7,929.99 × 4,662.54
  4. Step 4: Simplify right side
    5,317.64x = 36,973,895.57
  5. Step 5: Solve for x
    x = 36,973,895.57/5,317.64
  6. Step 6: Final answer
    x = 6,953.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.