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Finding the Fourth Proportional to 48,121, 72,176.06 and 14,838.28

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Solution

The fourth proportional to 48,121, 72,176.06 and 14,838.28 is: 22,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121 : 72,176.06 = 14,838.28 : x
  2. Step 2: Convert to fraction form
    48,121/72,176.06 = 14,838.28/x
  3. Step 3: Cross multiply
    48,121x = 72,176.06 × 14,838.28
  4. Step 4: Simplify right side
    48,121x = 1,070,968,587.58
  5. Step 5: Solve for x
    x = 1,070,968,587.58/48,121
  6. Step 6: Final answer
    x = 22,255.74

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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.