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Finding the Fourth Proportional to 60,170.95, 90,196.93 and 28,525.51

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Solution

The fourth proportional to 60,170.95, 90,196.93 and 28,525.51 is: 42,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,170.95 : 90,196.93 = 28,525.51 : x
  2. Step 2: Convert to fraction form
    60,170.95/90,196.93 = 28,525.51/x
  3. Step 3: Cross multiply
    60,170.95x = 90,196.93 × 28,525.51
  4. Step 4: Simplify right side
    60,170.95x = 2,572,913,428.68
  5. Step 5: Solve for x
    x = 2,572,913,428.68/60,170.95
  6. Step 6: Final answer
    x = 42,760.06

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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.