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Finding the Fourth Proportional to 4,684.68, 7,000.65 and 4,094.28

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Solution

The fourth proportional to 4,684.68, 7,000.65 and 4,094.28 is: 6,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.68 : 7,000.65 = 4,094.28 : x
  2. Step 2: Convert to fraction form
    4,684.68/7,000.65 = 4,094.28/x
  3. Step 3: Cross multiply
    4,684.68x = 7,000.65 × 4,094.28
  4. Step 4: Simplify right side
    4,684.68x = 28,662,621.28
  5. Step 5: Solve for x
    x = 28,662,621.28/4,684.68
  6. Step 6: Final answer
    x = 6,118.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.