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Finding the Fourth Proportional to 53,345.87, 80,022.88 and 15,903.08

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Solution

The fourth proportional to 53,345.87, 80,022.88 and 15,903.08 is: 23,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.87 : 80,022.88 = 15,903.08 : x
  2. Step 2: Convert to fraction form
    53,345.87/80,022.88 = 15,903.08/x
  3. Step 3: Cross multiply
    53,345.87x = 80,022.88 × 15,903.08
  4. Step 4: Simplify right side
    53,345.87x = 1,272,610,262.47
  5. Step 5: Solve for x
    x = 1,272,610,262.47/53,345.87
  6. Step 6: Final answer
    x = 23,855.83

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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.