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Finding the Fourth Proportional to 9,053.40, 12,504.06 and 7,213.08

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Solution

The fourth proportional to 9,053.40, 12,504.06 and 7,213.08 is: 9,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.40 : 12,504.06 = 7,213.08 : x
  2. Step 2: Convert to fraction form
    9,053.40/12,504.06 = 7,213.08/x
  3. Step 3: Cross multiply
    9,053.40x = 12,504.06 × 7,213.08
  4. Step 4: Simplify right side
    9,053.40x = 90,192,785.10
  5. Step 5: Solve for x
    x = 90,192,785.10/9,053.40
  6. Step 6: Final answer
    x = 9,962.31

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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.