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Finding the Fourth Proportional to 29,878.16, 44,809.95 and 12,353

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Solution

The fourth proportional to 29,878.16, 44,809.95 and 12,353 is: 18,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.16 : 44,809.95 = 12,353 : x
  2. Step 2: Convert to fraction form
    29,878.16/44,809.95 = 12,353/x
  3. Step 3: Cross multiply
    29,878.16x = 44,809.95 × 12,353
  4. Step 4: Simplify right side
    29,878.16x = 553,537,312.35
  5. Step 5: Solve for x
    x = 553,537,312.35/29,878.16
  6. Step 6: Final answer
    x = 18,526.49

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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.