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Finding the Fourth Proportional to 35,418.65, 48,878.07 and 19,503.68

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Solution

The fourth proportional to 35,418.65, 48,878.07 and 19,503.68 is: 26,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.65 : 48,878.07 = 19,503.68 : x
  2. Step 2: Convert to fraction form
    35,418.65/48,878.07 = 19,503.68/x
  3. Step 3: Cross multiply
    35,418.65x = 48,878.07 × 19,503.68
  4. Step 4: Simplify right side
    35,418.65x = 953,302,236.30
  5. Step 5: Solve for x
    x = 953,302,236.30/35,418.65
  6. Step 6: Final answer
    x = 26,915.26

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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.