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Finding the Fourth Proportional to 1,655.72, 2,483.50 and 1,005.08

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Solution

The fourth proportional to 1,655.72, 2,483.50 and 1,005.08 is: 1,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.72 : 2,483.50 = 1,005.08 : x
  2. Step 2: Convert to fraction form
    1,655.72/2,483.50 = 1,005.08/x
  3. Step 3: Cross multiply
    1,655.72x = 2,483.50 × 1,005.08
  4. Step 4: Simplify right side
    1,655.72x = 2,496,116.18
  5. Step 5: Solve for x
    x = 2,496,116.18/1,655.72
  6. Step 6: Final answer
    x = 1,507.57

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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.