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Finding the Fourth Proportional to 7,014.66, 9,678.06 and 5,697.06

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Solution

The fourth proportional to 7,014.66, 9,678.06 and 5,697.06 is: 7,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.66 : 9,678.06 = 5,697.06 : x
  2. Step 2: Convert to fraction form
    7,014.66/9,678.06 = 5,697.06/x
  3. Step 3: Cross multiply
    7,014.66x = 9,678.06 × 5,697.06
  4. Step 4: Simplify right side
    7,014.66x = 55,136,488.50
  5. Step 5: Solve for x
    x = 55,136,488.50/7,014.66
  6. Step 6: Final answer
    x = 7,860.18

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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.