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Finding the Fourth Proportional to 36,010.40, 54,064.20 and 28,623.20

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Solution

The fourth proportional to 36,010.40, 54,064.20 and 28,623.20 is: 42,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,010.40 : 54,064.20 = 28,623.20 : x
  2. Step 2: Convert to fraction form
    36,010.40/54,064.20 = 28,623.20/x
  3. Step 3: Cross multiply
    36,010.40x = 54,064.20 × 28,623.20
  4. Step 4: Simplify right side
    36,010.40x = 1,547,490,409.44
  5. Step 5: Solve for x
    x = 1,547,490,409.44/36,010.40
  6. Step 6: Final answer
    x = 42,973.43

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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.