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Finding the Fourth Proportional to 6,587.80, 9,090.80 and 3,603.04

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Solution

The fourth proportional to 6,587.80, 9,090.80 and 3,603.04 is: 4,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,587.80 : 9,090.80 = 3,603.04 : x
  2. Step 2: Convert to fraction form
    6,587.80/9,090.80 = 3,603.04/x
  3. Step 3: Cross multiply
    6,587.80x = 9,090.80 × 3,603.04
  4. Step 4: Simplify right side
    6,587.80x = 32,754,516.03
  5. Step 5: Solve for x
    x = 32,754,516.03/6,587.80
  6. Step 6: Final answer
    x = 4,972.00

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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.