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Finding the Fourth Proportional to 61,574.52, 92,210.58 and 39,322.20

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Solution

The fourth proportional to 61,574.52, 92,210.58 and 39,322.20 is: 58,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,574.52 : 92,210.58 = 39,322.20 : x
  2. Step 2: Convert to fraction form
    61,574.52/92,210.58 = 39,322.20/x
  3. Step 3: Cross multiply
    61,574.52x = 92,210.58 × 39,322.20
  4. Step 4: Simplify right side
    61,574.52x = 3,625,922,868.88
  5. Step 5: Solve for x
    x = 3,625,922,868.88/61,574.52
  6. Step 6: Final answer
    x = 58,886.74

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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.