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Finding the Fourth Proportional to 32,459.84, 44,790.12 and 18,117.92

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Solution

The fourth proportional to 32,459.84, 44,790.12 and 18,117.92 is: 25,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,459.84 : 44,790.12 = 18,117.92 : x
  2. Step 2: Convert to fraction form
    32,459.84/44,790.12 = 18,117.92/x
  3. Step 3: Cross multiply
    32,459.84x = 44,790.12 × 18,117.92
  4. Step 4: Simplify right side
    32,459.84x = 811,503,810.95
  5. Step 5: Solve for x
    x = 811,503,810.95/32,459.84
  6. Step 6: Final answer
    x = 25,000.24

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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.