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Finding the Fourth Proportional to 35,848.45, 49,471.49 and 19,717.50

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Solution

The fourth proportional to 35,848.45, 49,471.49 and 19,717.50 is: 27,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,848.45 : 49,471.49 = 19,717.50 : x
  2. Step 2: Convert to fraction form
    35,848.45/49,471.49 = 19,717.50/x
  3. Step 3: Cross multiply
    35,848.45x = 49,471.49 × 19,717.50
  4. Step 4: Simplify right side
    35,848.45x = 975,454,104.08
  5. Step 5: Solve for x
    x = 975,454,104.08/35,848.45
  6. Step 6: Final answer
    x = 27,210.50

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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.