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Finding the Fourth Proportional to 4,670.70, 7,000.65 and 1,895.55

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Solution

The fourth proportional to 4,670.70, 7,000.65 and 1,895.55 is: 2,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.70 : 7,000.65 = 1,895.55 : x
  2. Step 2: Convert to fraction form
    4,670.70/7,000.65 = 1,895.55/x
  3. Step 3: Cross multiply
    4,670.70x = 7,000.65 × 1,895.55
  4. Step 4: Simplify right side
    4,670.70x = 13,270,082.11
  5. Step 5: Solve for x
    x = 13,270,082.11/4,670.70
  6. Step 6: Final answer
    x = 2,841.13

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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.