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Finding the Fourth Proportional to 1,695.57, 2,543.58 and 599.73

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Solution

The fourth proportional to 1,695.57, 2,543.58 and 599.73 is: 899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.57 : 2,543.58 = 599.73 : x
  2. Step 2: Convert to fraction form
    1,695.57/2,543.58 = 599.73/x
  3. Step 3: Cross multiply
    1,695.57x = 2,543.58 × 599.73
  4. Step 4: Simplify right side
    1,695.57x = 1,525,461.23
  5. Step 5: Solve for x
    x = 1,525,461.23/1,695.57
  6. Step 6: Final answer
    x = 899.67

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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.