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Finding the Fourth Proportional to 74,907.84, 112,376.88 and 37,492.32

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Solution

The fourth proportional to 74,907.84, 112,376.88 and 37,492.32 is: 56,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.84 : 112,376.88 = 37,492.32 : x
  2. Step 2: Convert to fraction form
    74,907.84/112,376.88 = 37,492.32/x
  3. Step 3: Cross multiply
    74,907.84x = 112,376.88 × 37,492.32
  4. Step 4: Simplify right side
    74,907.84x = 4,213,269,945.56
  5. Step 5: Solve for x
    x = 4,213,269,945.56/74,907.84
  6. Step 6: Final answer
    x = 56,246.05

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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.