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Finding the Fourth Proportional to 40,411.44, 60,648.76 and 28,018.76

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Solution

The fourth proportional to 40,411.44, 60,648.76 and 28,018.76 is: 42,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.44 : 60,648.76 = 28,018.76 : x
  2. Step 2: Convert to fraction form
    40,411.44/60,648.76 = 28,018.76/x
  3. Step 3: Cross multiply
    40,411.44x = 60,648.76 × 28,018.76
  4. Step 4: Simplify right side
    40,411.44x = 1,699,303,050.74
  5. Step 5: Solve for x
    x = 1,699,303,050.74/40,411.44
  6. Step 6: Final answer
    x = 42,050.05

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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.