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Finding the Fourth Proportional to 18,552.76, 25,602.90 and 10,054.89

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Solution

The fourth proportional to 18,552.76, 25,602.90 and 10,054.89 is: 13,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.76 : 25,602.90 = 10,054.89 : x
  2. Step 2: Convert to fraction form
    18,552.76/25,602.90 = 10,054.89/x
  3. Step 3: Cross multiply
    18,552.76x = 25,602.90 × 10,054.89
  4. Step 4: Simplify right side
    18,552.76x = 257,434,305.48
  5. Step 5: Solve for x
    x = 257,434,305.48/18,552.76
  6. Step 6: Final answer
    x = 13,875.80

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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.