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Finding the Fourth Proportional to 57,807.09, 79,772.10 and 32,313.51

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Solution

The fourth proportional to 57,807.09, 79,772.10 and 32,313.51 is: 44,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.09 : 79,772.10 = 32,313.51 : x
  2. Step 2: Convert to fraction form
    57,807.09/79,772.10 = 32,313.51/x
  3. Step 3: Cross multiply
    57,807.09x = 79,772.10 × 32,313.51
  4. Step 4: Simplify right side
    57,807.09x = 2,577,716,551.07
  5. Step 5: Solve for x
    x = 2,577,716,551.07/57,807.09
  6. Step 6: Final answer
    x = 44,591.70

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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.