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Finding the Fourth Proportional to 9,795.90, 14,697.45 and 3,953.10

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Solution

The fourth proportional to 9,795.90, 14,697.45 and 3,953.10 is: 5,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.90 : 14,697.45 = 3,953.10 : x
  2. Step 2: Convert to fraction form
    9,795.90/14,697.45 = 3,953.10/x
  3. Step 3: Cross multiply
    9,795.90x = 14,697.45 × 3,953.10
  4. Step 4: Simplify right side
    9,795.90x = 58,100,489.60
  5. Step 5: Solve for x
    x = 58,100,489.60/9,795.90
  6. Step 6: Final answer
    x = 5,931.10

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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.