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Finding the Fourth Proportional to 35,304.98, 48,721.20 and 19,389.76

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Solution

The fourth proportional to 35,304.98, 48,721.20 and 19,389.76 is: 26,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.98 : 48,721.20 = 19,389.76 : x
  2. Step 2: Convert to fraction form
    35,304.98/48,721.20 = 19,389.76/x
  3. Step 3: Cross multiply
    35,304.98x = 48,721.20 × 19,389.76
  4. Step 4: Simplify right side
    35,304.98x = 944,692,180.40
  5. Step 5: Solve for x
    x = 944,692,180.40/35,304.98
  6. Step 6: Final answer
    x = 26,758.05

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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.