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Finding the Fourth Proportional to 35,480.76, 53,248.68 and 13,314.30

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Solution

The fourth proportional to 35,480.76, 53,248.68 and 13,314.30 is: 19,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,480.76 : 53,248.68 = 13,314.30 : x
  2. Step 2: Convert to fraction form
    35,480.76/53,248.68 = 13,314.30/x
  3. Step 3: Cross multiply
    35,480.76x = 53,248.68 × 13,314.30
  4. Step 4: Simplify right side
    35,480.76x = 708,968,900.12
  5. Step 5: Solve for x
    x = 708,968,900.12/35,480.76
  6. Step 6: Final answer
    x = 19,981.78

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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.