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Finding the Fourth Proportional to 75,296.95, 112,955.85 and 25,391.32

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Solution

The fourth proportional to 75,296.95, 112,955.85 and 25,391.32 is: 38,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.95 : 112,955.85 = 25,391.32 : x
  2. Step 2: Convert to fraction form
    75,296.95/112,955.85 = 25,391.32/x
  3. Step 3: Cross multiply
    75,296.95x = 112,955.85 × 25,391.32
  4. Step 4: Simplify right side
    75,296.95x = 2,868,098,133.22
  5. Step 5: Solve for x
    x = 2,868,098,133.22/75,296.95
  6. Step 6: Final answer
    x = 38,090.50

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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.