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Finding the Fourth Proportional to 48,175.40, 72,275.70 and 18,594.20

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Solution

The fourth proportional to 48,175.40, 72,275.70 and 18,594.20 is: 27,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,175.40 : 72,275.70 = 18,594.20 : x
  2. Step 2: Convert to fraction form
    48,175.40/72,275.70 = 18,594.20/x
  3. Step 3: Cross multiply
    48,175.40x = 72,275.70 × 18,594.20
  4. Step 4: Simplify right side
    48,175.40x = 1,343,908,820.94
  5. Step 5: Solve for x
    x = 1,343,908,820.94/48,175.40
  6. Step 6: Final answer
    x = 27,896.16

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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.