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Finding the Fourth Proportional to 7,165.80, 10,748.70 and 4,703.40

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Solution

The fourth proportional to 7,165.80, 10,748.70 and 4,703.40 is: 7,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.80 : 10,748.70 = 4,703.40 : x
  2. Step 2: Convert to fraction form
    7,165.80/10,748.70 = 4,703.40/x
  3. Step 3: Cross multiply
    7,165.80x = 10,748.70 × 4,703.40
  4. Step 4: Simplify right side
    7,165.80x = 50,555,435.58
  5. Step 5: Solve for x
    x = 50,555,435.58/7,165.80
  6. Step 6: Final answer
    x = 7,055.10

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1.5x scale

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.