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Finding the Fourth Proportional to 7,345.92, 11,069.12 and 6,075.84

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Solution

The fourth proportional to 7,345.92, 11,069.12 and 6,075.84 is: 9,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.92 : 11,069.12 = 6,075.84 : x
  2. Step 2: Convert to fraction form
    7,345.92/11,069.12 = 6,075.84/x
  3. Step 3: Cross multiply
    7,345.92x = 11,069.12 × 6,075.84
  4. Step 4: Simplify right side
    7,345.92x = 67,254,202.06
  5. Step 5: Solve for x
    x = 67,254,202.06/7,345.92
  6. Step 6: Final answer
    x = 9,155.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.