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Finding the Fourth Proportional to 21,841.66, 32,762.49 and 14,493.07

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Solution

The fourth proportional to 21,841.66, 32,762.49 and 14,493.07 is: 21,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.66 : 32,762.49 = 14,493.07 : x
  2. Step 2: Convert to fraction form
    21,841.66/32,762.49 = 14,493.07/x
  3. Step 3: Cross multiply
    21,841.66x = 32,762.49 × 14,493.07
  4. Step 4: Simplify right side
    21,841.66x = 474,828,824.67
  5. Step 5: Solve for x
    x = 474,828,824.67/21,841.66
  6. Step 6: Final answer
    x = 21,739.60

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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.