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Finding the Fourth Proportional to 40,482.45, 60,705.45 and 15,514.20

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Solution

The fourth proportional to 40,482.45, 60,705.45 and 15,514.20 is: 23,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.45 : 60,705.45 = 15,514.20 : x
  2. Step 2: Convert to fraction form
    40,482.45/60,705.45 = 15,514.20/x
  3. Step 3: Cross multiply
    40,482.45x = 60,705.45 × 15,514.20
  4. Step 4: Simplify right side
    40,482.45x = 941,796,492.39
  5. Step 5: Solve for x
    x = 941,796,492.39/40,482.45
  6. Step 6: Final answer
    x = 23,264.32

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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.