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Finding the Fourth Proportional to 4,544.80, 6,272.40 and 4,458.40

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Solution

The fourth proportional to 4,544.80, 6,272.40 and 4,458.40 is: 6,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,544.80 : 6,272.40 = 4,458.40 : x
  2. Step 2: Convert to fraction form
    4,544.80/6,272.40 = 4,458.40/x
  3. Step 3: Cross multiply
    4,544.80x = 6,272.40 × 4,458.40
  4. Step 4: Simplify right side
    4,544.80x = 27,964,868.16
  5. Step 5: Solve for x
    x = 27,964,868.16/4,544.80
  6. Step 6: Final answer
    x = 6,153.16

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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.