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Finding the Fourth Proportional to 19,573.80, 29,328.30 and 16,657.80

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Solution

The fourth proportional to 19,573.80, 29,328.30 and 16,657.80 is: 24,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.80 : 29,328.30 = 16,657.80 : x
  2. Step 2: Convert to fraction form
    19,573.80/29,328.30 = 16,657.80/x
  3. Step 3: Cross multiply
    19,573.80x = 29,328.30 × 16,657.80
  4. Step 4: Simplify right side
    19,573.80x = 488,544,955.74
  5. Step 5: Solve for x
    x = 488,544,955.74/19,573.80
  6. Step 6: Final answer
    x = 24,959.13

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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.