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Finding the Fourth Proportional to 49,871.50, 74,823.45 and 34,894.06

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Solution

The fourth proportional to 49,871.50, 74,823.45 and 34,894.06 is: 52,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.50 : 74,823.45 = 34,894.06 : x
  2. Step 2: Convert to fraction form
    49,871.50/74,823.45 = 34,894.06/x
  3. Step 3: Cross multiply
    49,871.50x = 74,823.45 × 34,894.06
  4. Step 4: Simplify right side
    49,871.50x = 2,610,893,953.71
  5. Step 5: Solve for x
    x = 2,610,893,953.71/49,871.50
  6. Step 6: Final answer
    x = 52,352.42

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1.5x scale

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.