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Finding the Fourth Proportional to 29,615.50, 40,888.02 and 19,023.58

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Solution

The fourth proportional to 29,615.50, 40,888.02 and 19,023.58 is: 26,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.50 : 40,888.02 = 19,023.58 : x
  2. Step 2: Convert to fraction form
    29,615.50/40,888.02 = 19,023.58/x
  3. Step 3: Cross multiply
    29,615.50x = 40,888.02 × 19,023.58
  4. Step 4: Simplify right side
    29,615.50x = 777,836,519.51
  5. Step 5: Solve for x
    x = 777,836,519.51/29,615.50
  6. Step 6: Final answer
    x = 26,264.51

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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.