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Finding the Fourth Proportional to 60,130.10, 90,194.51 and 18,577.46

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Solution

The fourth proportional to 60,130.10, 90,194.51 and 18,577.46 is: 27,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130.10 : 90,194.51 = 18,577.46 : x
  2. Step 2: Convert to fraction form
    60,130.10/90,194.51 = 18,577.46/x
  3. Step 3: Cross multiply
    60,130.10x = 90,194.51 × 18,577.46
  4. Step 4: Simplify right side
    60,130.10x = 1,675,584,901.74
  5. Step 5: Solve for x
    x = 1,675,584,901.74/60,130.10
  6. Step 6: Final answer
    x = 27,865.99

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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.