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Finding the Fourth Proportional to 63,980.25, 88,288.74 and 35,300.25

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Solution

The fourth proportional to 63,980.25, 88,288.74 and 35,300.25 is: 48,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.25 : 88,288.74 = 35,300.25 : x
  2. Step 2: Convert to fraction form
    63,980.25/88,288.74 = 35,300.25/x
  3. Step 3: Cross multiply
    63,980.25x = 88,288.74 × 35,300.25
  4. Step 4: Simplify right side
    63,980.25x = 3,116,614,594.19
  5. Step 5: Solve for x
    x = 3,116,614,594.19/63,980.25
  6. Step 6: Final answer
    x = 48,712.14

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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.