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Finding the Fourth Proportional to 66,952.19, 100,427.82 and 17,031.84

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Solution

The fourth proportional to 66,952.19, 100,427.82 and 17,031.84 is: 25,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,952.19 : 100,427.82 = 17,031.84 : x
  2. Step 2: Convert to fraction form
    66,952.19/100,427.82 = 17,031.84/x
  3. Step 3: Cross multiply
    66,952.19x = 100,427.82 × 17,031.84
  4. Step 4: Simplify right side
    66,952.19x = 1,710,470,265.02
  5. Step 5: Solve for x
    x = 1,710,470,265.02/66,952.19
  6. Step 6: Final answer
    x = 25,547.64

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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.