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Finding the Fourth Proportional to 61,504.58, 84,875.95 and 34,655.74

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Solution

The fourth proportional to 61,504.58, 84,875.95 and 34,655.74 is: 47,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,504.58 : 84,875.95 = 34,655.74 : x
  2. Step 2: Convert to fraction form
    61,504.58/84,875.95 = 34,655.74/x
  3. Step 3: Cross multiply
    61,504.58x = 84,875.95 × 34,655.74
  4. Step 4: Simplify right side
    61,504.58x = 2,941,438,257.79
  5. Step 5: Solve for x
    x = 2,941,438,257.79/61,504.58
  6. Step 6: Final answer
    x = 47,824.70

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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.