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Finding the Fourth Proportional to 7,505.54, 10,357.05 and 4,319.01

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Solution

The fourth proportional to 7,505.54, 10,357.05 and 4,319.01 is: 5,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.54 : 10,357.05 = 4,319.01 : x
  2. Step 2: Convert to fraction form
    7,505.54/10,357.05 = 4,319.01/x
  3. Step 3: Cross multiply
    7,505.54x = 10,357.05 × 4,319.01
  4. Step 4: Simplify right side
    7,505.54x = 44,732,198.08
  5. Step 5: Solve for x
    x = 44,732,198.08/7,505.54
  6. Step 6: Final answer
    x = 5,959.89

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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.