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Finding the Fourth Proportional to 30,364.16, 41,900.16 and 16,935.68

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Solution

The fourth proportional to 30,364.16, 41,900.16 and 16,935.68 is: 23,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.16 : 41,900.16 = 16,935.68 : x
  2. Step 2: Convert to fraction form
    30,364.16/41,900.16 = 16,935.68/x
  3. Step 3: Cross multiply
    30,364.16x = 41,900.16 × 16,935.68
  4. Step 4: Simplify right side
    30,364.16x = 709,607,701.71
  5. Step 5: Solve for x
    x = 709,607,701.71/30,364.16
  6. Step 6: Final answer
    x = 23,369.91

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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.