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Finding the Fourth Proportional to 9,295.69, 13,948.19 and 8,071.51

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Solution

The fourth proportional to 9,295.69, 13,948.19 and 8,071.51 is: 12,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.69 : 13,948.19 = 8,071.51 : x
  2. Step 2: Convert to fraction form
    9,295.69/13,948.19 = 8,071.51/x
  3. Step 3: Cross multiply
    9,295.69x = 13,948.19 × 8,071.51
  4. Step 4: Simplify right side
    9,295.69x = 112,582,955.07
  5. Step 5: Solve for x
    x = 112,582,955.07/9,295.69
  6. Step 6: Final answer
    x = 12,111.31

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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.