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Finding the Fourth Proportional to 56,207.40, 84,311.10 and 14,654.40

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Solution

The fourth proportional to 56,207.40, 84,311.10 and 14,654.40 is: 21,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.40 : 84,311.10 = 14,654.40 : x
  2. Step 2: Convert to fraction form
    56,207.40/84,311.10 = 14,654.40/x
  3. Step 3: Cross multiply
    56,207.40x = 84,311.10 × 14,654.40
  4. Step 4: Simplify right side
    56,207.40x = 1,235,528,583.84
  5. Step 5: Solve for x
    x = 1,235,528,583.84/56,207.40
  6. Step 6: Final answer
    x = 21,981.60

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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.