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Finding the Fourth Proportional to 45,897.10, 68,830.06 and 15,904.34

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Solution

The fourth proportional to 45,897.10, 68,830.06 and 15,904.34 is: 23,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,897.10 : 68,830.06 = 15,904.34 : x
  2. Step 2: Convert to fraction form
    45,897.10/68,830.06 = 15,904.34/x
  3. Step 3: Cross multiply
    45,897.10x = 68,830.06 × 15,904.34
  4. Step 4: Simplify right side
    45,897.10x = 1,094,696,676.46
  5. Step 5: Solve for x
    x = 1,094,696,676.46/45,897.10
  6. Step 6: Final answer
    x = 23,851.11

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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.