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Finding the Fourth Proportional to 7,795.68, 11,693.88 and 4,330.32

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Solution

The fourth proportional to 7,795.68, 11,693.88 and 4,330.32 is: 6,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.68 : 11,693.88 = 4,330.32 : x
  2. Step 2: Convert to fraction form
    7,795.68/11,693.88 = 4,330.32/x
  3. Step 3: Cross multiply
    7,795.68x = 11,693.88 × 4,330.32
  4. Step 4: Simplify right side
    7,795.68x = 50,638,242.44
  5. Step 5: Solve for x
    x = 50,638,242.44/7,795.68
  6. Step 6: Final answer
    x = 6,495.68

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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.