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Finding the Fourth Proportional to 9,254.88, 12,773.16 and 7,280.40

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Solution

The fourth proportional to 9,254.88, 12,773.16 and 7,280.40 is: 10,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.88 : 12,773.16 = 7,280.40 : x
  2. Step 2: Convert to fraction form
    9,254.88/12,773.16 = 7,280.40/x
  3. Step 3: Cross multiply
    9,254.88x = 12,773.16 × 7,280.40
  4. Step 4: Simplify right side
    9,254.88x = 92,993,714.06
  5. Step 5: Solve for x
    x = 92,993,714.06/9,254.88
  6. Step 6: Final answer
    x = 10,048.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.