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Finding the Fourth Proportional to 5,458.84, 7,583.73 and 5,407.51

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Solution

The fourth proportional to 5,458.84, 7,583.73 and 5,407.51 is: 7,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.84 : 7,583.73 = 5,407.51 : x
  2. Step 2: Convert to fraction form
    5,458.84/7,583.73 = 5,407.51/x
  3. Step 3: Cross multiply
    5,458.84x = 7,583.73 × 5,407.51
  4. Step 4: Simplify right side
    5,458.84x = 41,009,070.79
  5. Step 5: Solve for x
    x = 41,009,070.79/5,458.84
  6. Step 6: Final answer
    x = 7,512.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.