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Finding the Fourth Proportional to 4,985.01, 7,470.23 and 4,438.26

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Solution

The fourth proportional to 4,985.01, 7,470.23 and 4,438.26 is: 6,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.01 : 7,470.23 = 4,438.26 : x
  2. Step 2: Convert to fraction form
    4,985.01/7,470.23 = 4,438.26/x
  3. Step 3: Cross multiply
    4,985.01x = 7,470.23 × 4,438.26
  4. Step 4: Simplify right side
    4,985.01x = 33,154,800.81
  5. Step 5: Solve for x
    x = 33,154,800.81/4,985.01
  6. Step 6: Final answer
    x = 6,650.90

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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.