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Finding the Fourth Proportional to 7,008.98, 9,671.98 and 4,356.36

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Solution

The fourth proportional to 7,008.98, 9,671.98 and 4,356.36 is: 6,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.98 : 9,671.98 = 4,356.36 : x
  2. Step 2: Convert to fraction form
    7,008.98/9,671.98 = 4,356.36/x
  3. Step 3: Cross multiply
    7,008.98x = 9,671.98 × 4,356.36
  4. Step 4: Simplify right side
    7,008.98x = 42,134,626.79
  5. Step 5: Solve for x
    x = 42,134,626.79/7,008.98
  6. Step 6: Final answer
    x = 6,011.52

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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.