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Finding the Fourth Proportional to 22,135.50, 30,547.04 and 12,064.05

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Solution

The fourth proportional to 22,135.50, 30,547.04 and 12,064.05 is: 16,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.50 : 30,547.04 = 12,064.05 : x
  2. Step 2: Convert to fraction form
    22,135.50/30,547.04 = 12,064.05/x
  3. Step 3: Cross multiply
    22,135.50x = 30,547.04 × 12,064.05
  4. Step 4: Simplify right side
    22,135.50x = 368,520,957.59
  5. Step 5: Solve for x
    x = 368,520,957.59/22,135.50
  6. Step 6: Final answer
    x = 16,648.41

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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.