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Finding the Fourth Proportional to 7,047.04, 9,724.38 and 3,903.16

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Solution

The fourth proportional to 7,047.04, 9,724.38 and 3,903.16 is: 5,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.04 : 9,724.38 = 3,903.16 : x
  2. Step 2: Convert to fraction form
    7,047.04/9,724.38 = 3,903.16/x
  3. Step 3: Cross multiply
    7,047.04x = 9,724.38 × 3,903.16
  4. Step 4: Simplify right side
    7,047.04x = 37,955,811.04
  5. Step 5: Solve for x
    x = 37,955,811.04/7,047.04
  6. Step 6: Final answer
    x = 5,386.06

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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.