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Finding the Fourth Proportional to 53,970.60, 80,955.84 and 14,527.68

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Solution

The fourth proportional to 53,970.60, 80,955.84 and 14,527.68 is: 21,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.60 : 80,955.84 = 14,527.68 : x
  2. Step 2: Convert to fraction form
    53,970.60/80,955.84 = 14,527.68/x
  3. Step 3: Cross multiply
    53,970.60x = 80,955.84 × 14,527.68
  4. Step 4: Simplify right side
    53,970.60x = 1,176,100,537.65
  5. Step 5: Solve for x
    x = 1,176,100,537.65/53,970.60
  6. Step 6: Final answer
    x = 21,791.50

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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.