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Finding the Fourth Proportional to 44,600.40, 66,823.80 and 21,176.40

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Solution

The fourth proportional to 44,600.40, 66,823.80 and 21,176.40 is: 31,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,600.40 : 66,823.80 = 21,176.40 : x
  2. Step 2: Convert to fraction form
    44,600.40/66,823.80 = 21,176.40/x
  3. Step 3: Cross multiply
    44,600.40x = 66,823.80 × 21,176.40
  4. Step 4: Simplify right side
    44,600.40x = 1,415,087,518.32
  5. Step 5: Solve for x
    x = 1,415,087,518.32/44,600.40
  6. Step 6: Final answer
    x = 31,728.14

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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.