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Finding the Fourth Proportional to 60,043.58, 90,065.23 and 56,389.92

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Solution

The fourth proportional to 60,043.58, 90,065.23 and 56,389.92 is: 84,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.58 : 90,065.23 = 56,389.92 : x
  2. Step 2: Convert to fraction form
    60,043.58/90,065.23 = 56,389.92/x
  3. Step 3: Cross multiply
    60,043.58x = 90,065.23 × 56,389.92
  4. Step 4: Simplify right side
    60,043.58x = 5,078,771,114.48
  5. Step 5: Solve for x
    x = 5,078,771,114.48/60,043.58
  6. Step 6: Final answer
    x = 84,584.75

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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.