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Finding the Fourth Proportional to 45,323.47, 67,978.19 and 23,153.23

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Solution

The fourth proportional to 45,323.47, 67,978.19 and 23,153.23 is: 34,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.47 : 67,978.19 = 23,153.23 : x
  2. Step 2: Convert to fraction form
    45,323.47/67,978.19 = 23,153.23/x
  3. Step 3: Cross multiply
    45,323.47x = 67,978.19 × 23,153.23
  4. Step 4: Simplify right side
    45,323.47x = 1,573,914,552.29
  5. Step 5: Solve for x
    x = 1,573,914,552.29/45,323.47
  6. Step 6: Final answer
    x = 34,726.26

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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.