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Finding the Fourth Proportional to 48,549.84, 66,798.42 and 37,921.02

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Solution

The fourth proportional to 48,549.84, 66,798.42 and 37,921.02 is: 52,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.84 : 66,798.42 = 37,921.02 : x
  2. Step 2: Convert to fraction form
    48,549.84/66,798.42 = 37,921.02/x
  3. Step 3: Cross multiply
    48,549.84x = 66,798.42 × 37,921.02
  4. Step 4: Simplify right side
    48,549.84x = 2,533,064,220.79
  5. Step 5: Solve for x
    x = 2,533,064,220.79/48,549.84
  6. Step 6: Final answer
    x = 52,174.51

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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.