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Finding the Fourth Proportional to 35,586.60, 53,342.80 and 13,384.68

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Solution

The fourth proportional to 35,586.60, 53,342.80 and 13,384.68 is: 20,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,586.60 : 53,342.80 = 13,384.68 : x
  2. Step 2: Convert to fraction form
    35,586.60/53,342.80 = 13,384.68/x
  3. Step 3: Cross multiply
    35,586.60x = 53,342.80 × 13,384.68
  4. Step 4: Simplify right side
    35,586.60x = 713,976,308.30
  5. Step 5: Solve for x
    x = 713,976,308.30/35,586.60
  6. Step 6: Final answer
    x = 20,063.07

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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.