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Finding the Fourth Proportional to 18,461.03, 25,476.25 and 10,077.53

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Solution

The fourth proportional to 18,461.03, 25,476.25 and 10,077.53 is: 13,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.03 : 25,476.25 = 10,077.53 : x
  2. Step 2: Convert to fraction form
    18,461.03/25,476.25 = 10,077.53/x
  3. Step 3: Cross multiply
    18,461.03x = 25,476.25 × 10,077.53
  4. Step 4: Simplify right side
    18,461.03x = 256,737,673.66
  5. Step 5: Solve for x
    x = 256,737,673.66/18,461.03
  6. Step 6: Final answer
    x = 13,907.01

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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.