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Finding the Fourth Proportional to 67,805.86, 93,563.40 and 37,590.88

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Solution

The fourth proportional to 67,805.86, 93,563.40 and 37,590.88 is: 51,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,805.86 : 93,563.40 = 37,590.88 : x
  2. Step 2: Convert to fraction form
    67,805.86/93,563.40 = 37,590.88/x
  3. Step 3: Cross multiply
    67,805.86x = 93,563.40 × 37,590.88
  4. Step 4: Simplify right side
    67,805.86x = 3,517,130,541.79
  5. Step 5: Solve for x
    x = 3,517,130,541.79/67,805.86
  6. Step 6: Final answer
    x = 51,870.60

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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.