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Finding the Fourth Proportional to 74,692.40, 112,038.60 and 27,934.34

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Solution

The fourth proportional to 74,692.40, 112,038.60 and 27,934.34 is: 41,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692.40 : 112,038.60 = 27,934.34 : x
  2. Step 2: Convert to fraction form
    74,692.40/112,038.60 = 27,934.34/x
  3. Step 3: Cross multiply
    74,692.40x = 112,038.60 × 27,934.34
  4. Step 4: Simplify right side
    74,692.40x = 3,129,724,345.52
  5. Step 5: Solve for x
    x = 3,129,724,345.52/74,692.40
  6. Step 6: Final answer
    x = 41,901.51

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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.