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Finding the Fourth Proportional to 38,461.80, 53,059.08 and 25,028.16

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Solution

The fourth proportional to 38,461.80, 53,059.08 and 25,028.16 is: 34,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.80 : 53,059.08 = 25,028.16 : x
  2. Step 2: Convert to fraction form
    38,461.80/53,059.08 = 25,028.16/x
  3. Step 3: Cross multiply
    38,461.80x = 53,059.08 × 25,028.16
  4. Step 4: Simplify right side
    38,461.80x = 1,327,970,878.40
  5. Step 5: Solve for x
    x = 1,327,970,878.40/38,461.80
  6. Step 6: Final answer
    x = 34,527.01

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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.