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Finding the Fourth Proportional to 5,284.34, 7,292.62 and 2,926.47

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Solution

The fourth proportional to 5,284.34, 7,292.62 and 2,926.47 is: 4,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.34 : 7,292.62 = 2,926.47 : x
  2. Step 2: Convert to fraction form
    5,284.34/7,292.62 = 2,926.47/x
  3. Step 3: Cross multiply
    5,284.34x = 7,292.62 × 2,926.47
  4. Step 4: Simplify right side
    5,284.34x = 21,341,664.66
  5. Step 5: Solve for x
    x = 21,341,664.66/5,284.34
  6. Step 6: Final answer
    x = 4,038.66

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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.