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Finding the Fourth Proportional to 4,671.99, 7,007.96 and 1,385.34

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Solution

The fourth proportional to 4,671.99, 7,007.96 and 1,385.34 is: 2,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.99 : 7,007.96 = 1,385.34 : x
  2. Step 2: Convert to fraction form
    4,671.99/7,007.96 = 1,385.34/x
  3. Step 3: Cross multiply
    4,671.99x = 7,007.96 × 1,385.34
  4. Step 4: Simplify right side
    4,671.99x = 9,708,407.31
  5. Step 5: Solve for x
    x = 9,708,407.31/4,671.99
  6. Step 6: Final answer
    x = 2,078.00

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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.