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Finding the Fourth Proportional to 60,342.54, 90,875.16 and 54,955.63

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Solution

The fourth proportional to 60,342.54, 90,875.16 and 54,955.63 is: 82,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,342.54 : 90,875.16 = 54,955.63 : x
  2. Step 2: Convert to fraction form
    60,342.54/90,875.16 = 54,955.63/x
  3. Step 3: Cross multiply
    60,342.54x = 90,875.16 × 54,955.63
  4. Step 4: Simplify right side
    60,342.54x = 4,994,101,394.37
  5. Step 5: Solve for x
    x = 4,994,101,394.37/60,342.54
  6. Step 6: Final answer
    x = 82,762.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.