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Finding the Fourth Proportional to 7,300.68, 10,071.32 and 4,315.08

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Solution

The fourth proportional to 7,300.68, 10,071.32 and 4,315.08 is: 5,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.68 : 10,071.32 = 4,315.08 : x
  2. Step 2: Convert to fraction form
    7,300.68/10,071.32 = 4,315.08/x
  3. Step 3: Cross multiply
    7,300.68x = 10,071.32 × 4,315.08
  4. Step 4: Simplify right side
    7,300.68x = 43,458,551.51
  5. Step 5: Solve for x
    x = 43,458,551.51/7,300.68
  6. Step 6: Final answer
    x = 5,952.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.