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Finding the Fourth Proportional to 29,573.76, 40,810.05 and 16,998.51

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Solution

The fourth proportional to 29,573.76, 40,810.05 and 16,998.51 is: 23,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.76 : 40,810.05 = 16,998.51 : x
  2. Step 2: Convert to fraction form
    29,573.76/40,810.05 = 16,998.51/x
  3. Step 3: Cross multiply
    29,573.76x = 40,810.05 × 16,998.51
  4. Step 4: Simplify right side
    29,573.76x = 693,710,043.03
  5. Step 5: Solve for x
    x = 693,710,043.03/29,573.76
  6. Step 6: Final answer
    x = 23,456.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.