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Finding the Fourth Proportional to 66,924.16, 92,352 and 38,628.16

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Solution

The fourth proportional to 66,924.16, 92,352 and 38,628.16 is: 53,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.16 : 92,352 = 38,628.16 : x
  2. Step 2: Convert to fraction form
    66,924.16/92,352 = 38,628.16/x
  3. Step 3: Cross multiply
    66,924.16x = 92,352 × 38,628.16
  4. Step 4: Simplify right side
    66,924.16x = 3,567,387,832.32
  5. Step 5: Solve for x
    x = 3,567,387,832.32/66,924.16
  6. Step 6: Final answer
    x = 53,304.93

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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.