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Finding the Fourth Proportional to 66,532.80, 93,422.40 and 66,532.80

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Solution

The fourth proportional to 66,532.80, 93,422.40 and 66,532.80 is: 93,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.80 : 93,422.40 = 66,532.80 : x
  2. Step 2: Convert to fraction form
    66,532.80/93,422.40 = 66,532.80/x
  3. Step 3: Cross multiply
    66,532.80x = 93,422.40 × 66,532.80
  4. Step 4: Simplify right side
    66,532.80x = 6,215,653,854.72
  5. Step 5: Solve for x
    x = 6,215,653,854.72/66,532.80
  6. Step 6: Final answer
    x = 93,422.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.