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Finding the Fourth Proportional to 9,047.12, 13,570.74 and 2,807.01

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Solution

The fourth proportional to 9,047.12, 13,570.74 and 2,807.01 is: 4,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.12 : 13,570.74 = 2,807.01 : x
  2. Step 2: Convert to fraction form
    9,047.12/13,570.74 = 2,807.01/x
  3. Step 3: Cross multiply
    9,047.12x = 13,570.74 × 2,807.01
  4. Step 4: Simplify right side
    9,047.12x = 38,093,202.89
  5. Step 5: Solve for x
    x = 38,093,202.89/9,047.12
  6. Step 6: Final answer
    x = 4,210.54

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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.