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Finding the Fourth Proportional to 22,038.76, 33,058.12 and 5,622.76

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Solution

The fourth proportional to 22,038.76, 33,058.12 and 5,622.76 is: 8,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.76 : 33,058.12 = 5,622.76 : x
  2. Step 2: Convert to fraction form
    22,038.76/33,058.12 = 5,622.76/x
  3. Step 3: Cross multiply
    22,038.76x = 33,058.12 × 5,622.76
  4. Step 4: Simplify right side
    22,038.76x = 185,877,874.81
  5. Step 5: Solve for x
    x = 185,877,874.81/22,038.76
  6. Step 6: Final answer
    x = 8,434.13

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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.