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Finding the Fourth Proportional to 5,907.58, 8,815.09 and 5,287.02

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Solution

The fourth proportional to 5,907.58, 8,815.09 and 5,287.02 is: 7,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.58 : 8,815.09 = 5,287.02 : x
  2. Step 2: Convert to fraction form
    5,907.58/8,815.09 = 5,287.02/x
  3. Step 3: Cross multiply
    5,907.58x = 8,815.09 × 5,287.02
  4. Step 4: Simplify right side
    5,907.58x = 46,605,557.13
  5. Step 5: Solve for x
    x = 46,605,557.13/5,907.58
  6. Step 6: Final answer
    x = 7,889.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.