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Finding the Fourth Proportional to 29,221.60, 43,803.60 and 14,432.80

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Solution

The fourth proportional to 29,221.60, 43,803.60 and 14,432.80 is: 21,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.60 : 43,803.60 = 14,432.80 : x
  2. Step 2: Convert to fraction form
    29,221.60/43,803.60 = 14,432.80/x
  3. Step 3: Cross multiply
    29,221.60x = 43,803.60 × 14,432.80
  4. Step 4: Simplify right side
    29,221.60x = 632,208,598.08
  5. Step 5: Solve for x
    x = 632,208,598.08/29,221.60
  6. Step 6: Final answer
    x = 21,634.98

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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.