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Finding the Fourth Proportional to 60,840.24, 91,275.02 and 19,287.24

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Solution

The fourth proportional to 60,840.24, 91,275.02 and 19,287.24 is: 28,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,840.24 : 91,275.02 = 19,287.24 : x
  2. Step 2: Convert to fraction form
    60,840.24/91,275.02 = 19,287.24/x
  3. Step 3: Cross multiply
    60,840.24x = 91,275.02 × 19,287.24
  4. Step 4: Simplify right side
    60,840.24x = 1,760,443,216.74
  5. Step 5: Solve for x
    x = 1,760,443,216.74/60,840.24
  6. Step 6: Final answer
    x = 28,935.51

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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.