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Finding the Fourth Proportional to 18,894.08, 26,072.64 and 10,510.08

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Solution

The fourth proportional to 18,894.08, 26,072.64 and 10,510.08 is: 14,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.08 : 26,072.64 = 10,510.08 : x
  2. Step 2: Convert to fraction form
    18,894.08/26,072.64 = 10,510.08/x
  3. Step 3: Cross multiply
    18,894.08x = 26,072.64 × 10,510.08
  4. Step 4: Simplify right side
    18,894.08x = 274,025,532.21
  5. Step 5: Solve for x
    x = 274,025,532.21/18,894.08
  6. Step 6: Final answer
    x = 14,503.25

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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.