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Finding the Fourth Proportional to 25,533.48, 35,230.48 and 15,461.72

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Solution

The fourth proportional to 25,533.48, 35,230.48 and 15,461.72 is: 21,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.48 : 35,230.48 = 15,461.72 : x
  2. Step 2: Convert to fraction form
    25,533.48/35,230.48 = 15,461.72/x
  3. Step 3: Cross multiply
    25,533.48x = 35,230.48 × 15,461.72
  4. Step 4: Simplify right side
    25,533.48x = 544,723,817.23
  5. Step 5: Solve for x
    x = 544,723,817.23/25,533.48
  6. Step 6: Final answer
    x = 21,333.71

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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.