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Finding the Fourth Proportional to 53,980.98, 74,524.25 and 35,862.80

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Solution

The fourth proportional to 53,980.98, 74,524.25 and 35,862.80 is: 49,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.98 : 74,524.25 = 35,862.80 : x
  2. Step 2: Convert to fraction form
    53,980.98/74,524.25 = 35,862.80/x
  3. Step 3: Cross multiply
    53,980.98x = 74,524.25 × 35,862.80
  4. Step 4: Simplify right side
    53,980.98x = 2,672,648,409.13
  5. Step 5: Solve for x
    x = 2,672,648,409.13/53,980.98
  6. Step 6: Final answer
    x = 49,510.93

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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.