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Finding the Fourth Proportional to 60,533.52, 90,875.88 and 40,899.12

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Solution

The fourth proportional to 60,533.52, 90,875.88 and 40,899.12 is: 61,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,533.52 : 90,875.88 = 40,899.12 : x
  2. Step 2: Convert to fraction form
    60,533.52/90,875.88 = 40,899.12/x
  3. Step 3: Cross multiply
    60,533.52x = 90,875.88 × 40,899.12
  4. Step 4: Simplify right side
    60,533.52x = 3,716,743,521.23
  5. Step 5: Solve for x
    x = 3,716,743,521.23/60,533.52
  6. Step 6: Final answer
    x = 61,399.76

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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.