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Finding the Fourth Proportional to 6,586.68, 9,089.10 and 4,228.50

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Solution

The fourth proportional to 6,586.68, 9,089.10 and 4,228.50 is: 5,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.68 : 9,089.10 = 4,228.50 : x
  2. Step 2: Convert to fraction form
    6,586.68/9,089.10 = 4,228.50/x
  3. Step 3: Cross multiply
    6,586.68x = 9,089.10 × 4,228.50
  4. Step 4: Simplify right side
    6,586.68x = 38,433,259.35
  5. Step 5: Solve for x
    x = 38,433,259.35/6,586.68
  6. Step 6: Final answer
    x = 5,835.00

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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.