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Finding the Fourth Proportional to 66,733.64, 100,097.34 and 19,347.32

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Solution

The fourth proportional to 66,733.64, 100,097.34 and 19,347.32 is: 29,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733.64 : 100,097.34 = 19,347.32 : x
  2. Step 2: Convert to fraction form
    66,733.64/100,097.34 = 19,347.32/x
  3. Step 3: Cross multiply
    66,733.64x = 100,097.34 × 19,347.32
  4. Step 4: Simplify right side
    66,733.64x = 1,936,615,445.82
  5. Step 5: Solve for x
    x = 1,936,615,445.82/66,733.64
  6. Step 6: Final answer
    x = 29,020.08

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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.