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Finding the Fourth Proportional to 50,962.94, 70,326.48 and 28,303.40

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Solution

The fourth proportional to 50,962.94, 70,326.48 and 28,303.40 is: 39,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,962.94 : 70,326.48 = 28,303.40 : x
  2. Step 2: Convert to fraction form
    50,962.94/70,326.48 = 28,303.40/x
  3. Step 3: Cross multiply
    50,962.94x = 70,326.48 × 28,303.40
  4. Step 4: Simplify right side
    50,962.94x = 1,990,478,494.03
  5. Step 5: Solve for x
    x = 1,990,478,494.03/50,962.94
  6. Step 6: Final answer
    x = 39,057.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.