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Finding the Fourth Proportional to 5,041.08, 7,004.79 and 4,987.08

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Solution

The fourth proportional to 5,041.08, 7,004.79 and 4,987.08 is: 6,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.08 : 7,004.79 = 4,987.08 : x
  2. Step 2: Convert to fraction form
    5,041.08/7,004.79 = 4,987.08/x
  3. Step 3: Cross multiply
    5,041.08x = 7,004.79 × 4,987.08
  4. Step 4: Simplify right side
    5,041.08x = 34,933,448.11
  5. Step 5: Solve for x
    x = 34,933,448.11/5,041.08
  6. Step 6: Final answer
    x = 6,929.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.