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Finding the Fourth Proportional to 12,503.93, 18,750.11 and 4,604.45

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Solution

The fourth proportional to 12,503.93, 18,750.11 and 4,604.45 is: 6,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.93 : 18,750.11 = 4,604.45 : x
  2. Step 2: Convert to fraction form
    12,503.93/18,750.11 = 4,604.45/x
  3. Step 3: Cross multiply
    12,503.93x = 18,750.11 × 4,604.45
  4. Step 4: Simplify right side
    12,503.93x = 86,333,827.22
  5. Step 5: Solve for x
    x = 86,333,827.22/12,503.93
  6. Step 6: Final answer
    x = 6,904.54

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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.