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Finding the Fourth Proportional to 7,804.68, 11,707.38 and 4,339.32

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Solution

The fourth proportional to 7,804.68, 11,707.38 and 4,339.32 is: 6,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.68 : 11,707.38 = 4,339.32 : x
  2. Step 2: Convert to fraction form
    7,804.68/11,707.38 = 4,339.32/x
  3. Step 3: Cross multiply
    7,804.68x = 11,707.38 × 4,339.32
  4. Step 4: Simplify right side
    7,804.68x = 50,802,068.18
  5. Step 5: Solve for x
    x = 50,802,068.18/7,804.68
  6. Step 6: Final answer
    x = 6,509.18

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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.