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Finding the Fourth Proportional to 60,039, 90,030.21 and 35,086.23

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Solution

The fourth proportional to 60,039, 90,030.21 and 35,086.23 is: 52,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,039 : 90,030.21 = 35,086.23 : x
  2. Step 2: Convert to fraction form
    60,039/90,030.21 = 35,086.23/x
  3. Step 3: Cross multiply
    60,039x = 90,030.21 × 35,086.23
  4. Step 4: Simplify right side
    60,039x = 3,158,820,655.01
  5. Step 5: Solve for x
    x = 3,158,820,655.01/60,039
  6. Step 6: Final answer
    x = 52,612.81

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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.