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Finding the Fourth Proportional to 6,602.04, 9,110.80 and 3,618.06

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Solution

The fourth proportional to 6,602.04, 9,110.80 and 3,618.06 is: 4,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.04 : 9,110.80 = 3,618.06 : x
  2. Step 2: Convert to fraction form
    6,602.04/9,110.80 = 3,618.06/x
  3. Step 3: Cross multiply
    6,602.04x = 9,110.80 × 3,618.06
  4. Step 4: Simplify right side
    6,602.04x = 32,963,421.05
  5. Step 5: Solve for x
    x = 32,963,421.05/6,602.04
  6. Step 6: Final answer
    x = 4,992.91

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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.