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Finding the Fourth Proportional to 6,415.93, 9,627.08 and 3,603.01

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Solution

The fourth proportional to 6,415.93, 9,627.08 and 3,603.01 is: 5,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.93 : 9,627.08 = 3,603.01 : x
  2. Step 2: Convert to fraction form
    6,415.93/9,627.08 = 3,603.01/x
  3. Step 3: Cross multiply
    6,415.93x = 9,627.08 × 3,603.01
  4. Step 4: Simplify right side
    6,415.93x = 34,686,465.51
  5. Step 5: Solve for x
    x = 34,686,465.51/6,415.93
  6. Step 6: Final answer
    x = 5,406.30

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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.