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Finding the Fourth Proportional to 35,444.80, 53,167.20 and 14,384.80

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Solution

The fourth proportional to 35,444.80, 53,167.20 and 14,384.80 is: 21,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.80 : 53,167.20 = 14,384.80 : x
  2. Step 2: Convert to fraction form
    35,444.80/53,167.20 = 14,384.80/x
  3. Step 3: Cross multiply
    35,444.80x = 53,167.20 × 14,384.80
  4. Step 4: Simplify right side
    35,444.80x = 764,799,538.56
  5. Step 5: Solve for x
    x = 764,799,538.56/35,444.80
  6. Step 6: Final answer
    x = 21,577.20

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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.