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Finding the Fourth Proportional to 18,552.89, 25,602.71 and 10,054.78

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Solution

The fourth proportional to 18,552.89, 25,602.71 and 10,054.78 is: 13,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.89 : 25,602.71 = 10,054.78 : x
  2. Step 2: Convert to fraction form
    18,552.89/25,602.71 = 10,054.78/x
  3. Step 3: Cross multiply
    18,552.89x = 25,602.71 × 10,054.78
  4. Step 4: Simplify right side
    18,552.89x = 257,429,502.17
  5. Step 5: Solve for x
    x = 257,429,502.17/18,552.89
  6. Step 6: Final answer
    x = 13,875.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.