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Finding the Fourth Proportional to 18,154.86, 25,058.88 and 10,602.96

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Solution

The fourth proportional to 18,154.86, 25,058.88 and 10,602.96 is: 14,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.86 : 25,058.88 = 10,602.96 : x
  2. Step 2: Convert to fraction form
    18,154.86/25,058.88 = 10,602.96/x
  3. Step 3: Cross multiply
    18,154.86x = 25,058.88 × 10,602.96
  4. Step 4: Simplify right side
    18,154.86x = 265,698,302.28
  5. Step 5: Solve for x
    x = 265,698,302.28/18,154.86
  6. Step 6: Final answer
    x = 14,635.11

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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.