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Finding the Fourth Proportional to 35,612.84, 49,143.74 and 19,476.98

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Solution

The fourth proportional to 35,612.84, 49,143.74 and 19,476.98 is: 26,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.84 : 49,143.74 = 19,476.98 : x
  2. Step 2: Convert to fraction form
    35,612.84/49,143.74 = 19,476.98/x
  3. Step 3: Cross multiply
    35,612.84x = 49,143.74 × 19,476.98
  4. Step 4: Simplify right side
    35,612.84x = 957,171,641.11
  5. Step 5: Solve for x
    x = 957,171,641.11/35,612.84
  6. Step 6: Final answer
    x = 26,877.15

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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.