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Finding the Fourth Proportional to 23,851.20, 35,776.80 and 21,950.40

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Solution

The fourth proportional to 23,851.20, 35,776.80 and 21,950.40 is: 32,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,851.20 : 35,776.80 = 21,950.40 : x
  2. Step 2: Convert to fraction form
    23,851.20/35,776.80 = 21,950.40/x
  3. Step 3: Cross multiply
    23,851.20x = 35,776.80 × 21,950.40
  4. Step 4: Simplify right side
    23,851.20x = 785,315,070.72
  5. Step 5: Solve for x
    x = 785,315,070.72/23,851.20
  6. Step 6: Final answer
    x = 32,925.60

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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.