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Finding the Fourth Proportional to 53,612.64, 80,424.48 and 18,552.24

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Solution

The fourth proportional to 53,612.64, 80,424.48 and 18,552.24 is: 27,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.64 : 80,424.48 = 18,552.24 : x
  2. Step 2: Convert to fraction form
    53,612.64/80,424.48 = 18,552.24/x
  3. Step 3: Cross multiply
    53,612.64x = 80,424.48 × 18,552.24
  4. Step 4: Simplify right side
    53,612.64x = 1,492,054,254.84
  5. Step 5: Solve for x
    x = 1,492,054,254.84/53,612.64
  6. Step 6: Final answer
    x = 27,830.27

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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.