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Finding the Fourth Proportional to 58,927.66, 81,225.74 and 39,801.44

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Solution

The fourth proportional to 58,927.66, 81,225.74 and 39,801.44 is: 54,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,927.66 : 81,225.74 = 39,801.44 : x
  2. Step 2: Convert to fraction form
    58,927.66/81,225.74 = 39,801.44/x
  3. Step 3: Cross multiply
    58,927.66x = 81,225.74 × 39,801.44
  4. Step 4: Simplify right side
    58,927.66x = 3,232,901,417.07
  5. Step 5: Solve for x
    x = 3,232,901,417.07/58,927.66
  6. Step 6: Final answer
    x = 54,862.21

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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.