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Finding the Fourth Proportional to 22,136.54, 30,547.54 and 12,064.77

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Solution

The fourth proportional to 22,136.54, 30,547.54 and 12,064.77 is: 16,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.54 : 30,547.54 = 12,064.77 : x
  2. Step 2: Convert to fraction form
    22,136.54/30,547.54 = 12,064.77/x
  3. Step 3: Cross multiply
    22,136.54x = 30,547.54 × 12,064.77
  4. Step 4: Simplify right side
    22,136.54x = 368,549,014.00
  5. Step 5: Solve for x
    x = 368,549,014.00/22,136.54
  6. Step 6: Final answer
    x = 16,648.90

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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.