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Finding the Fourth Proportional to 4,173, 6,259.50 and 1,095

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Solution

The fourth proportional to 4,173, 6,259.50 and 1,095 is: 1,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173 : 6,259.50 = 1,095 : x
  2. Step 2: Convert to fraction form
    4,173/6,259.50 = 1,095/x
  3. Step 3: Cross multiply
    4,173x = 6,259.50 × 1,095
  4. Step 4: Simplify right side
    4,173x = 6,854,152.50
  5. Step 5: Solve for x
    x = 6,854,152.50/4,173
  6. Step 6: Final answer
    x = 1,642.50

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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.