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Finding the Fourth Proportional to 7,053.33, 9,729.20 and 4,538.72

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Solution

The fourth proportional to 7,053.33, 9,729.20 and 4,538.72 is: 6,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.33 : 9,729.20 = 4,538.72 : x
  2. Step 2: Convert to fraction form
    7,053.33/9,729.20 = 4,538.72/x
  3. Step 3: Cross multiply
    7,053.33x = 9,729.20 × 4,538.72
  4. Step 4: Simplify right side
    7,053.33x = 44,158,043.28
  5. Step 5: Solve for x
    x = 44,158,043.28/7,053.33
  6. Step 6: Final answer
    x = 6,260.60

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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.