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Finding the Fourth Proportional to 23,383.90, 35,075.61 and 13,516.90

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Solution

The fourth proportional to 23,383.90, 35,075.61 and 13,516.90 is: 20,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,383.90 : 35,075.61 = 13,516.90 : x
  2. Step 2: Convert to fraction form
    23,383.90/35,075.61 = 13,516.90/x
  3. Step 3: Cross multiply
    23,383.90x = 35,075.61 × 13,516.90
  4. Step 4: Simplify right side
    23,383.90x = 474,113,512.81
  5. Step 5: Solve for x
    x = 474,113,512.81/23,383.90
  6. Step 6: Final answer
    x = 20,275.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.