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Finding the Fourth Proportional to 5,928.90, 8,888.56 and 4,074.51

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Solution

The fourth proportional to 5,928.90, 8,888.56 and 4,074.51 is: 6,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.90 : 8,888.56 = 4,074.51 : x
  2. Step 2: Convert to fraction form
    5,928.90/8,888.56 = 4,074.51/x
  3. Step 3: Cross multiply
    5,928.90x = 8,888.56 × 4,074.51
  4. Step 4: Simplify right side
    5,928.90x = 36,216,526.61
  5. Step 5: Solve for x
    x = 36,216,526.61/5,928.90
  6. Step 6: Final answer
    x = 6,108.47

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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.