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Finding the Fourth Proportional to 4,681.98, 7,011.93 and 4,353.93

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Solution

The fourth proportional to 4,681.98, 7,011.93 and 4,353.93 is: 6,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.98 : 7,011.93 = 4,353.93 : x
  2. Step 2: Convert to fraction form
    4,681.98/7,011.93 = 4,353.93/x
  3. Step 3: Cross multiply
    4,681.98x = 7,011.93 × 4,353.93
  4. Step 4: Simplify right side
    4,681.98x = 30,529,452.38
  5. Step 5: Solve for x
    x = 30,529,452.38/4,681.98
  6. Step 6: Final answer
    x = 6,520.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.