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Finding the Fourth Proportional to 82,952.40, 124,428.60 and 27,548.40

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Solution

The fourth proportional to 82,952.40, 124,428.60 and 27,548.40 is: 41,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.40 : 124,428.60 = 27,548.40 : x
  2. Step 2: Convert to fraction form
    82,952.40/124,428.60 = 27,548.40/x
  3. Step 3: Cross multiply
    82,952.40x = 124,428.60 × 27,548.40
  4. Step 4: Simplify right side
    82,952.40x = 3,427,808,844.24
  5. Step 5: Solve for x
    x = 3,427,808,844.24/82,952.40
  6. Step 6: Final answer
    x = 41,322.60

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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.