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Finding the Fourth Proportional to 20,045.51, 30,068.28 and 6,007.03

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Solution

The fourth proportional to 20,045.51, 30,068.28 and 6,007.03 is: 9,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.51 : 30,068.28 = 6,007.03 : x
  2. Step 2: Convert to fraction form
    20,045.51/30,068.28 = 6,007.03/x
  3. Step 3: Cross multiply
    20,045.51x = 30,068.28 × 6,007.03
  4. Step 4: Simplify right side
    20,045.51x = 180,620,984.84
  5. Step 5: Solve for x
    x = 180,620,984.84/20,045.51
  6. Step 6: Final answer
    x = 9,010.55

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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.