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Finding the Fourth Proportional to 30,554.76, 45,832.10 and 8,368.32

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Solution

The fourth proportional to 30,554.76, 45,832.10 and 8,368.32 is: 12,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.76 : 45,832.10 = 8,368.32 : x
  2. Step 2: Convert to fraction form
    30,554.76/45,832.10 = 8,368.32/x
  3. Step 3: Cross multiply
    30,554.76x = 45,832.10 × 8,368.32
  4. Step 4: Simplify right side
    30,554.76x = 383,537,679.07
  5. Step 5: Solve for x
    x = 383,537,679.07/30,554.76
  6. Step 6: Final answer
    x = 12,552.47

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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.