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Finding the Fourth Proportional to 24,485.60, 36,728.40 and 14,619.80

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Solution

The fourth proportional to 24,485.60, 36,728.40 and 14,619.80 is: 21,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,485.60 : 36,728.40 = 14,619.80 : x
  2. Step 2: Convert to fraction form
    24,485.60/36,728.40 = 14,619.80/x
  3. Step 3: Cross multiply
    24,485.60x = 36,728.40 × 14,619.80
  4. Step 4: Simplify right side
    24,485.60x = 536,961,862.32
  5. Step 5: Solve for x
    x = 536,961,862.32/24,485.60
  6. Step 6: Final answer
    x = 21,929.70

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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.