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Finding the Fourth Proportional to 61,331.84, 91,920.80 and 26,230.24

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Solution

The fourth proportional to 61,331.84, 91,920.80 and 26,230.24 is: 39,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.84 : 91,920.80 = 26,230.24 : x
  2. Step 2: Convert to fraction form
    61,331.84/91,920.80 = 26,230.24/x
  3. Step 3: Cross multiply
    61,331.84x = 91,920.80 × 26,230.24
  4. Step 4: Simplify right side
    61,331.84x = 2,411,104,644.99
  5. Step 5: Solve for x
    x = 2,411,104,644.99/61,331.84
  6. Step 6: Final answer
    x = 39,312.45

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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.