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Finding the Fourth Proportional to 23,985.73, 35,978.69 and 7,345.70

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Solution

The fourth proportional to 23,985.73, 35,978.69 and 7,345.70 is: 11,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.73 : 35,978.69 = 7,345.70 : x
  2. Step 2: Convert to fraction form
    23,985.73/35,978.69 = 7,345.70/x
  3. Step 3: Cross multiply
    23,985.73x = 35,978.69 × 7,345.70
  4. Step 4: Simplify right side
    23,985.73x = 264,288,446.51
  5. Step 5: Solve for x
    x = 264,288,446.51/23,985.73
  6. Step 6: Final answer
    x = 11,018.57

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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.