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Finding the Fourth Proportional to 60,575.45, 90,877.55 and 19,022.45

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Solution

The fourth proportional to 60,575.45, 90,877.55 and 19,022.45 is: 28,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,575.45 : 90,877.55 = 19,022.45 : x
  2. Step 2: Convert to fraction form
    60,575.45/90,877.55 = 19,022.45/x
  3. Step 3: Cross multiply
    60,575.45x = 90,877.55 × 19,022.45
  4. Step 4: Simplify right side
    60,575.45x = 1,728,713,101.50
  5. Step 5: Solve for x
    x = 1,728,713,101.50/60,575.45
  6. Step 6: Final answer
    x = 28,538.18

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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.