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Finding the Fourth Proportional to 35,230.60, 48,618.12 and 19,315

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Solution

The fourth proportional to 35,230.60, 48,618.12 and 19,315 is: 26,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.60 : 48,618.12 = 19,315 : x
  2. Step 2: Convert to fraction form
    35,230.60/48,618.12 = 19,315/x
  3. Step 3: Cross multiply
    35,230.60x = 48,618.12 × 19,315
  4. Step 4: Simplify right side
    35,230.60x = 939,058,987.80
  5. Step 5: Solve for x
    x = 939,058,987.80/35,230.60
  6. Step 6: Final answer
    x = 26,654.64

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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.