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Finding the Fourth Proportional to 4,855.34, 7,292.37 and 4,312.22

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Solution

The fourth proportional to 4,855.34, 7,292.37 and 4,312.22 is: 6,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.34 : 7,292.37 = 4,312.22 : x
  2. Step 2: Convert to fraction form
    4,855.34/7,292.37 = 4,312.22/x
  3. Step 3: Cross multiply
    4,855.34x = 7,292.37 × 4,312.22
  4. Step 4: Simplify right side
    4,855.34x = 31,446,303.76
  5. Step 5: Solve for x
    x = 31,446,303.76/4,855.34
  6. Step 6: Final answer
    x = 6,476.64

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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.