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Finding the Fourth Proportional to 70,790.08, 97,649.68 and 44,248

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Solution

The fourth proportional to 70,790.08, 97,649.68 and 44,248 is: 61,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,790.08 : 97,649.68 = 44,248 : x
  2. Step 2: Convert to fraction form
    70,790.08/97,649.68 = 44,248/x
  3. Step 3: Cross multiply
    70,790.08x = 97,649.68 × 44,248
  4. Step 4: Simplify right side
    70,790.08x = 4,320,803,040.64
  5. Step 5: Solve for x
    x = 4,320,803,040.64/70,790.08
  6. Step 6: Final answer
    x = 61,036.84

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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.