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Finding the Fourth Proportional to 6,352.50, 9,530.10 and 1,970.40

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Solution

The fourth proportional to 6,352.50, 9,530.10 and 1,970.40 is: 2,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.50 : 9,530.10 = 1,970.40 : x
  2. Step 2: Convert to fraction form
    6,352.50/9,530.10 = 1,970.40/x
  3. Step 3: Cross multiply
    6,352.50x = 9,530.10 × 1,970.40
  4. Step 4: Simplify right side
    6,352.50x = 18,778,109.04
  5. Step 5: Solve for x
    x = 18,778,109.04/6,352.50
  6. Step 6: Final answer
    x = 2,956.02

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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.