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Finding the Fourth Proportional to 5,030.80, 6,927.86 and 4,709.90

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Solution

The fourth proportional to 5,030.80, 6,927.86 and 4,709.90 is: 6,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.80 : 6,927.86 = 4,709.90 : x
  2. Step 2: Convert to fraction form
    5,030.80/6,927.86 = 4,709.90/x
  3. Step 3: Cross multiply
    5,030.80x = 6,927.86 × 4,709.90
  4. Step 4: Simplify right side
    5,030.80x = 32,629,527.81
  5. Step 5: Solve for x
    x = 32,629,527.81/5,030.80
  6. Step 6: Final answer
    x = 6,485.95

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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.