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Finding the Fourth Proportional to 7,493.42, 10,339.98 and 4,509.11

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Solution

The fourth proportional to 7,493.42, 10,339.98 and 4,509.11 is: 6,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.42 : 10,339.98 = 4,509.11 : x
  2. Step 2: Convert to fraction form
    7,493.42/10,339.98 = 4,509.11/x
  3. Step 3: Cross multiply
    7,493.42x = 10,339.98 × 4,509.11
  4. Step 4: Simplify right side
    7,493.42x = 46,624,107.22
  5. Step 5: Solve for x
    x = 46,624,107.22/7,493.42
  6. Step 6: Final answer
    x = 6,222.01

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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.