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Finding the Fourth Proportional to 60,548.51, 90,717.06 and 39,454.90

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Solution

The fourth proportional to 60,548.51, 90,717.06 and 39,454.90 is: 59,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,548.51 : 90,717.06 = 39,454.90 : x
  2. Step 2: Convert to fraction form
    60,548.51/90,717.06 = 39,454.90/x
  3. Step 3: Cross multiply
    60,548.51x = 90,717.06 × 39,454.90
  4. Step 4: Simplify right side
    60,548.51x = 3,579,232,451.76
  5. Step 5: Solve for x
    x = 3,579,232,451.76/60,548.51
  6. Step 6: Final answer
    x = 59,113.47

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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.