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Finding the Fourth Proportional to 67,558.71, 93,302.65 and 51,394.08

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Solution

The fourth proportional to 67,558.71, 93,302.65 and 51,394.08 is: 70,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.71 : 93,302.65 = 51,394.08 : x
  2. Step 2: Convert to fraction form
    67,558.71/93,302.65 = 51,394.08/x
  3. Step 3: Cross multiply
    67,558.71x = 93,302.65 × 51,394.08
  4. Step 4: Simplify right side
    67,558.71x = 4,795,203,858.31
  5. Step 5: Solve for x
    x = 4,795,203,858.31/67,558.71
  6. Step 6: Final answer
    x = 70,978.32

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1.5x scale

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.