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Finding the Fourth Proportional to 5,907.34, 8,866.48 and 2,987.70

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Solution

The fourth proportional to 5,907.34, 8,866.48 and 2,987.70 is: 4,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.34 : 8,866.48 = 2,987.70 : x
  2. Step 2: Convert to fraction form
    5,907.34/8,866.48 = 2,987.70/x
  3. Step 3: Cross multiply
    5,907.34x = 8,866.48 × 2,987.70
  4. Step 4: Simplify right side
    5,907.34x = 26,490,382.30
  5. Step 5: Solve for x
    x = 26,490,382.30/5,907.34
  6. Step 6: Final answer
    x = 4,484.32

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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.