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Finding the Fourth Proportional to 7,679.34, 10,594.98 and 4,653.36

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Solution

The fourth proportional to 7,679.34, 10,594.98 and 4,653.36 is: 6,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.34 : 10,594.98 = 4,653.36 : x
  2. Step 2: Convert to fraction form
    7,679.34/10,594.98 = 4,653.36/x
  3. Step 3: Cross multiply
    7,679.34x = 10,594.98 × 4,653.36
  4. Step 4: Simplify right side
    7,679.34x = 49,302,256.13
  5. Step 5: Solve for x
    x = 49,302,256.13/7,679.34
  6. Step 6: Final answer
    x = 6,420.12

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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.