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Finding the Fourth Proportional to 55,513.44, 83,275.45 and 15,532.45

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Solution

The fourth proportional to 55,513.44, 83,275.45 and 15,532.45 is: 23,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.44 : 83,275.45 = 15,532.45 : x
  2. Step 2: Convert to fraction form
    55,513.44/83,275.45 = 15,532.45/x
  3. Step 3: Cross multiply
    55,513.44x = 83,275.45 × 15,532.45
  4. Step 4: Simplify right side
    55,513.44x = 1,293,471,763.35
  5. Step 5: Solve for x
    x = 1,293,471,763.35/55,513.44
  6. Step 6: Final answer
    x = 23,300.16

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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.