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Finding the Fourth Proportional to 9,062.63, 12,506.45 and 5,288.39

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Solution

The fourth proportional to 9,062.63, 12,506.45 and 5,288.39 is: 7,297.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.63 : 12,506.45 = 5,288.39 : x
  2. Step 2: Convert to fraction form
    9,062.63/12,506.45 = 5,288.39/x
  3. Step 3: Cross multiply
    9,062.63x = 12,506.45 × 5,288.39
  4. Step 4: Simplify right side
    9,062.63x = 66,138,985.12
  5. Step 5: Solve for x
    x = 66,138,985.12/9,062.63
  6. Step 6: Final answer
    x = 7,297.99

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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.