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Finding the Fourth Proportional to 30,358.66, 41,894.95 and 17,783.41

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Solution

The fourth proportional to 30,358.66, 41,894.95 and 17,783.41 is: 24,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.66 : 41,894.95 = 17,783.41 : x
  2. Step 2: Convert to fraction form
    30,358.66/41,894.95 = 17,783.41/x
  3. Step 3: Cross multiply
    30,358.66x = 41,894.95 × 17,783.41
  4. Step 4: Simplify right side
    30,358.66x = 745,035,072.78
  5. Step 5: Solve for x
    x = 745,035,072.78/30,358.66
  6. Step 6: Final answer
    x = 24,541.11

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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.