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Finding the Fourth Proportional to 25,411.61, 35,063.93 and 15,973.49

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Solution

The fourth proportional to 25,411.61, 35,063.93 and 15,973.49 is: 22,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.61 : 35,063.93 = 15,973.49 : x
  2. Step 2: Convert to fraction form
    25,411.61/35,063.93 = 15,973.49/x
  3. Step 3: Cross multiply
    25,411.61x = 35,063.93 × 15,973.49
  4. Step 4: Simplify right side
    25,411.61x = 560,093,080.03
  5. Step 5: Solve for x
    x = 560,093,080.03/25,411.61
  6. Step 6: Final answer
    x = 22,040.84

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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.