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Finding the Fourth Proportional to 48,525, 66,967.62 and 29,417.88

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Solution

The fourth proportional to 48,525, 66,967.62 and 29,417.88 is: 40,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,525 : 66,967.62 = 29,417.88 : x
  2. Step 2: Convert to fraction form
    48,525/66,967.62 = 29,417.88/x
  3. Step 3: Cross multiply
    48,525x = 66,967.62 × 29,417.88
  4. Step 4: Simplify right side
    48,525x = 1,970,045,409.05
  5. Step 5: Solve for x
    x = 1,970,045,409.05/48,525
  6. Step 6: Final answer
    x = 40,598.57

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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.