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Finding the Fourth Proportional to 3,602.54, 4,970.10 and 2,660.60

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Solution

The fourth proportional to 3,602.54, 4,970.10 and 2,660.60 is: 3,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.54 : 4,970.10 = 2,660.60 : x
  2. Step 2: Convert to fraction form
    3,602.54/4,970.10 = 2,660.60/x
  3. Step 3: Cross multiply
    3,602.54x = 4,970.10 × 2,660.60
  4. Step 4: Simplify right side
    3,602.54x = 13,223,448.06
  5. Step 5: Solve for x
    x = 13,223,448.06/3,602.54
  6. Step 6: Final answer
    x = 3,670.59

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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.