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Finding the Fourth Proportional to 9,591.72, 13,235.63 and 7,075.19

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Solution

The fourth proportional to 9,591.72, 13,235.63 and 7,075.19 is: 9,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.72 : 13,235.63 = 7,075.19 : x
  2. Step 2: Convert to fraction form
    9,591.72/13,235.63 = 7,075.19/x
  3. Step 3: Cross multiply
    9,591.72x = 13,235.63 × 7,075.19
  4. Step 4: Simplify right side
    9,591.72x = 93,644,495.47
  5. Step 5: Solve for x
    x = 93,644,495.47/9,591.72
  6. Step 6: Final answer
    x = 9,763.06

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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.