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Finding the Fourth Proportional to 67,535, 93,137.64 and 56,241.80

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Solution

The fourth proportional to 67,535, 93,137.64 and 56,241.80 is: 77,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,535 : 93,137.64 = 56,241.80 : x
  2. Step 2: Convert to fraction form
    67,535/93,137.64 = 56,241.80/x
  3. Step 3: Cross multiply
    67,535x = 93,137.64 × 56,241.80
  4. Step 4: Simplify right side
    67,535x = 5,238,228,521.35
  5. Step 5: Solve for x
    x = 5,238,228,521.35/67,535
  6. Step 6: Final answer
    x = 77,563.17

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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.