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Finding the Fourth Proportional to 26,185, 36,135.02 and 15,574.40

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Solution

The fourth proportional to 26,185, 36,135.02 and 15,574.40 is: 21,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185 : 36,135.02 = 15,574.40 : x
  2. Step 2: Convert to fraction form
    26,185/36,135.02 = 15,574.40/x
  3. Step 3: Cross multiply
    26,185x = 36,135.02 × 15,574.40
  4. Step 4: Simplify right side
    26,185x = 562,781,255.49
  5. Step 5: Solve for x
    x = 562,781,255.49/26,185
  6. Step 6: Final answer
    x = 21,492.51

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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.