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Finding the Fourth Proportional to 50,898.16, 70,238.04 and 28,237.04

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Solution

The fourth proportional to 50,898.16, 70,238.04 and 28,237.04 is: 38,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,898.16 : 70,238.04 = 28,237.04 : x
  2. Step 2: Convert to fraction form
    50,898.16/70,238.04 = 28,237.04/x
  3. Step 3: Cross multiply
    50,898.16x = 70,238.04 × 28,237.04
  4. Step 4: Simplify right side
    50,898.16x = 1,983,314,345.00
  5. Step 5: Solve for x
    x = 1,983,314,345.00/50,898.16
  6. Step 6: Final answer
    x = 38,966.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.