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Finding the Fourth Proportional to 4,650.34, 6,407.93 and 4,322.20

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Solution

The fourth proportional to 4,650.34, 6,407.93 and 4,322.20 is: 5,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.34 : 6,407.93 = 4,322.20 : x
  2. Step 2: Convert to fraction form
    4,650.34/6,407.93 = 4,322.20/x
  3. Step 3: Cross multiply
    4,650.34x = 6,407.93 × 4,322.20
  4. Step 4: Simplify right side
    4,650.34x = 27,696,355.05
  5. Step 5: Solve for x
    x = 27,696,355.05/4,650.34
  6. Step 6: Final answer
    x = 5,955.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.