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Finding the Fourth Proportional to 7,630.56, 10,529.59 and 4,646

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Solution

The fourth proportional to 7,630.56, 10,529.59 and 4,646 is: 6,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.56 : 10,529.59 = 4,646 : x
  2. Step 2: Convert to fraction form
    7,630.56/10,529.59 = 4,646/x
  3. Step 3: Cross multiply
    7,630.56x = 10,529.59 × 4,646
  4. Step 4: Simplify right side
    7,630.56x = 48,920,475.14
  5. Step 5: Solve for x
    x = 48,920,475.14/7,630.56
  6. Step 6: Final answer
    x = 6,411.13

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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.