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Finding the Fourth Proportional to 35,670.60, 53,493.30 and 12,291.60

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Solution

The fourth proportional to 35,670.60, 53,493.30 and 12,291.60 is: 18,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.60 : 53,493.30 = 12,291.60 : x
  2. Step 2: Convert to fraction form
    35,670.60/53,493.30 = 12,291.60/x
  3. Step 3: Cross multiply
    35,670.60x = 53,493.30 × 12,291.60
  4. Step 4: Simplify right side
    35,670.60x = 657,518,246.28
  5. Step 5: Solve for x
    x = 657,518,246.28/35,670.60
  6. Step 6: Final answer
    x = 18,433.06

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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.