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Finding the Fourth Proportional to 2,362.71, 3,260.96 and 1,368.08

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Solution

The fourth proportional to 2,362.71, 3,260.96 and 1,368.08 is: 1,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.71 : 3,260.96 = 1,368.08 : x
  2. Step 2: Convert to fraction form
    2,362.71/3,260.96 = 1,368.08/x
  3. Step 3: Cross multiply
    2,362.71x = 3,260.96 × 1,368.08
  4. Step 4: Simplify right side
    2,362.71x = 4,461,254.16
  5. Step 5: Solve for x
    x = 4,461,254.16/2,362.71
  6. Step 6: Final answer
    x = 1,888.19

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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.