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Finding the Fourth Proportional to 52,313.60, 72,208.40 and 34,422.40

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Solution

The fourth proportional to 52,313.60, 72,208.40 and 34,422.40 is: 47,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,313.60 : 72,208.40 = 34,422.40 : x
  2. Step 2: Convert to fraction form
    52,313.60/72,208.40 = 34,422.40/x
  3. Step 3: Cross multiply
    52,313.60x = 72,208.40 × 34,422.40
  4. Step 4: Simplify right side
    52,313.60x = 2,485,586,428.16
  5. Step 5: Solve for x
    x = 2,485,586,428.16/52,313.60
  6. Step 6: Final answer
    x = 47,513.20

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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.