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Finding the Fourth Proportional to 53,953.28, 80,941.80 and 16,513.64

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Solution

The fourth proportional to 53,953.28, 80,941.80 and 16,513.64 is: 24,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.28 : 80,941.80 = 16,513.64 : x
  2. Step 2: Convert to fraction form
    53,953.28/80,941.80 = 16,513.64/x
  3. Step 3: Cross multiply
    53,953.28x = 80,941.80 × 16,513.64
  4. Step 4: Simplify right side
    53,953.28x = 1,336,643,746.15
  5. Step 5: Solve for x
    x = 1,336,643,746.15/53,953.28
  6. Step 6: Final answer
    x = 24,774.10

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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.