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Finding the Fourth Proportional to 36,312.60, 54,458.10 and 14,113.20

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Solution

The fourth proportional to 36,312.60, 54,458.10 and 14,113.20 is: 21,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.60 : 54,458.10 = 14,113.20 : x
  2. Step 2: Convert to fraction form
    36,312.60/54,458.10 = 14,113.20/x
  3. Step 3: Cross multiply
    36,312.60x = 54,458.10 × 14,113.20
  4. Step 4: Simplify right side
    36,312.60x = 768,578,056.92
  5. Step 5: Solve for x
    x = 768,578,056.92/36,312.60
  6. Step 6: Final answer
    x = 21,165.60

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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.