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Finding the Fourth Proportional to 17,156.40, 25,734.60 and 6,075.60

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Solution

The fourth proportional to 17,156.40, 25,734.60 and 6,075.60 is: 9,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.40 : 25,734.60 = 6,075.60 : x
  2. Step 2: Convert to fraction form
    17,156.40/25,734.60 = 6,075.60/x
  3. Step 3: Cross multiply
    17,156.40x = 25,734.60 × 6,075.60
  4. Step 4: Simplify right side
    17,156.40x = 156,353,135.76
  5. Step 5: Solve for x
    x = 156,353,135.76/17,156.40
  6. Step 6: Final answer
    x = 9,113.40

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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.