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Finding the Fourth Proportional to 45,807.80, 69,023.76 and 37,670.12

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Solution

The fourth proportional to 45,807.80, 69,023.76 and 37,670.12 is: 56,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.80 : 69,023.76 = 37,670.12 : x
  2. Step 2: Convert to fraction form
    45,807.80/69,023.76 = 37,670.12/x
  3. Step 3: Cross multiply
    45,807.80x = 69,023.76 × 37,670.12
  4. Step 4: Simplify right side
    45,807.80x = 2,600,133,322.05
  5. Step 5: Solve for x
    x = 2,600,133,322.05/45,807.80
  6. Step 6: Final answer
    x = 56,761.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.