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Finding the Fourth Proportional to 54,271.88, 74,904.20 and 37,262.20

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Solution

The fourth proportional to 54,271.88, 74,904.20 and 37,262.20 is: 51,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,271.88 : 74,904.20 = 37,262.20 : x
  2. Step 2: Convert to fraction form
    54,271.88/74,904.20 = 37,262.20/x
  3. Step 3: Cross multiply
    54,271.88x = 74,904.20 × 37,262.20
  4. Step 4: Simplify right side
    54,271.88x = 2,791,095,281.24
  5. Step 5: Solve for x
    x = 2,791,095,281.24/54,271.88
  6. Step 6: Final answer
    x = 51,428.02

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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.