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Finding the Fourth Proportional to 20,641.46, 30,952.74 and 6,598.76

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Solution

The fourth proportional to 20,641.46, 30,952.74 and 6,598.76 is: 9,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.46 : 30,952.74 = 6,598.76 : x
  2. Step 2: Convert to fraction form
    20,641.46/30,952.74 = 6,598.76/x
  3. Step 3: Cross multiply
    20,641.46x = 30,952.74 × 6,598.76
  4. Step 4: Simplify right side
    20,641.46x = 204,249,702.60
  5. Step 5: Solve for x
    x = 204,249,702.60/20,641.46
  6. Step 6: Final answer
    x = 9,895.12

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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.