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Finding the Fourth Proportional to 9,475.70, 14,213.55 and 4,810.10

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Solution

The fourth proportional to 9,475.70, 14,213.55 and 4,810.10 is: 7,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.70 : 14,213.55 = 4,810.10 : x
  2. Step 2: Convert to fraction form
    9,475.70/14,213.55 = 4,810.10/x
  3. Step 3: Cross multiply
    9,475.70x = 14,213.55 × 4,810.10
  4. Step 4: Simplify right side
    9,475.70x = 68,368,596.86
  5. Step 5: Solve for x
    x = 68,368,596.86/9,475.70
  6. Step 6: Final answer
    x = 7,215.15

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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.