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Finding the Fourth Proportional to 35,970.03, 53,959.97 and 12,271.22

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Solution

The fourth proportional to 35,970.03, 53,959.97 and 12,271.22 is: 18,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.03 : 53,959.97 = 12,271.22 : x
  2. Step 2: Convert to fraction form
    35,970.03/53,959.97 = 12,271.22/x
  3. Step 3: Cross multiply
    35,970.03x = 53,959.97 × 12,271.22
  4. Step 4: Simplify right side
    35,970.03x = 662,154,436.59
  5. Step 5: Solve for x
    x = 662,154,436.59/35,970.03
  6. Step 6: Final answer
    x = 18,408.50

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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.