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Finding the Fourth Proportional to 9,653.34, 13,322.16 and 7,291.38

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Solution

The fourth proportional to 9,653.34, 13,322.16 and 7,291.38 is: 10,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.34 : 13,322.16 = 7,291.38 : x
  2. Step 2: Convert to fraction form
    9,653.34/13,322.16 = 7,291.38/x
  3. Step 3: Cross multiply
    9,653.34x = 13,322.16 × 7,291.38
  4. Step 4: Simplify right side
    9,653.34x = 97,136,930.98
  5. Step 5: Solve for x
    x = 97,136,930.98/9,653.34
  6. Step 6: Final answer
    x = 10,062.52

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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.