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Finding the Fourth Proportional to 7,034.40, 10,532.16 and 3,554.64

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Solution

The fourth proportional to 7,034.40, 10,532.16 and 3,554.64 is: 5,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.40 : 10,532.16 = 3,554.64 : x
  2. Step 2: Convert to fraction form
    7,034.40/10,532.16 = 3,554.64/x
  3. Step 3: Cross multiply
    7,034.40x = 10,532.16 × 3,554.64
  4. Step 4: Simplify right side
    7,034.40x = 37,438,037.22
  5. Step 5: Solve for x
    x = 37,438,037.22/7,034.40
  6. Step 6: Final answer
    x = 5,322.14

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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.