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Finding the Fourth Proportional to 7,063.98, 9,748.36 and 4,412.92

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Solution

The fourth proportional to 7,063.98, 9,748.36 and 4,412.92 is: 6,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.98 : 9,748.36 = 4,412.92 : x
  2. Step 2: Convert to fraction form
    7,063.98/9,748.36 = 4,412.92/x
  3. Step 3: Cross multiply
    7,063.98x = 9,748.36 × 4,412.92
  4. Step 4: Simplify right side
    7,063.98x = 43,018,732.81
  5. Step 5: Solve for x
    x = 43,018,732.81/7,063.98
  6. Step 6: Final answer
    x = 6,089.87

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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.