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Finding the Fourth Proportional to 56,768.10, 85,152.15 and 14,648.10

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Solution

The fourth proportional to 56,768.10, 85,152.15 and 14,648.10 is: 21,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.10 : 85,152.15 = 14,648.10 : x
  2. Step 2: Convert to fraction form
    56,768.10/85,152.15 = 14,648.10/x
  3. Step 3: Cross multiply
    56,768.10x = 85,152.15 × 14,648.10
  4. Step 4: Simplify right side
    56,768.10x = 1,247,317,208.42
  5. Step 5: Solve for x
    x = 1,247,317,208.42/56,768.10
  6. Step 6: Final answer
    x = 21,972.15

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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.