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Finding the Fourth Proportional to 22,101.54, 30,500.58 and 12,030.54

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Solution

The fourth proportional to 22,101.54, 30,500.58 and 12,030.54 is: 16,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.54 : 30,500.58 = 12,030.54 : x
  2. Step 2: Convert to fraction form
    22,101.54/30,500.58 = 12,030.54/x
  3. Step 3: Cross multiply
    22,101.54x = 30,500.58 × 12,030.54
  4. Step 4: Simplify right side
    22,101.54x = 366,938,447.71
  5. Step 5: Solve for x
    x = 366,938,447.71/22,101.54
  6. Step 6: Final answer
    x = 16,602.39

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Double scale
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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.