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Finding the Fourth Proportional to 7,308.60, 10,962.90 and 4,684.20

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Solution

The fourth proportional to 7,308.60, 10,962.90 and 4,684.20 is: 7,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.60 : 10,962.90 = 4,684.20 : x
  2. Step 2: Convert to fraction form
    7,308.60/10,962.90 = 4,684.20/x
  3. Step 3: Cross multiply
    7,308.60x = 10,962.90 × 4,684.20
  4. Step 4: Simplify right side
    7,308.60x = 51,352,416.18
  5. Step 5: Solve for x
    x = 51,352,416.18/7,308.60
  6. Step 6: Final answer
    x = 7,026.30

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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.