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Finding the Fourth Proportional to 53,262.92, 79,866.56 and 15,817.84

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Solution

The fourth proportional to 53,262.92, 79,866.56 and 15,817.84 is: 23,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262.92 : 79,866.56 = 15,817.84 : x
  2. Step 2: Convert to fraction form
    53,262.92/79,866.56 = 15,817.84/x
  3. Step 3: Cross multiply
    53,262.92x = 79,866.56 × 15,817.84
  4. Step 4: Simplify right side
    53,262.92x = 1,263,316,467.43
  5. Step 5: Solve for x
    x = 1,263,316,467.43/53,262.92
  6. Step 6: Final answer
    x = 23,718.50

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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.