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Finding the Fourth Proportional to 36,225.52, 54,312.24 and 14,020.24

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Solution

The fourth proportional to 36,225.52, 54,312.24 and 14,020.24 is: 21,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.52 : 54,312.24 = 14,020.24 : x
  2. Step 2: Convert to fraction form
    36,225.52/54,312.24 = 14,020.24/x
  3. Step 3: Cross multiply
    36,225.52x = 54,312.24 × 14,020.24
  4. Step 4: Simplify right side
    36,225.52x = 761,470,639.74
  5. Step 5: Solve for x
    x = 761,470,639.74/36,225.52
  6. Step 6: Final answer
    x = 21,020.28

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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.