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Finding the Fourth Proportional to 67,776.70, 93,531.90 and 37,562.08

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Solution

The fourth proportional to 67,776.70, 93,531.90 and 37,562.08 is: 51,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,776.70 : 93,531.90 = 37,562.08 : x
  2. Step 2: Convert to fraction form
    67,776.70/93,531.90 = 37,562.08/x
  3. Step 3: Cross multiply
    67,776.70x = 93,531.90 × 37,562.08
  4. Step 4: Simplify right side
    67,776.70x = 3,513,252,710.35
  5. Step 5: Solve for x
    x = 3,513,252,710.35/67,776.70
  6. Step 6: Final answer
    x = 51,835.70

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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.