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Finding the Fourth Proportional to 48,411.07, 66,799.42 and 30,259.64

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Solution

The fourth proportional to 48,411.07, 66,799.42 and 30,259.64 is: 41,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411.07 : 66,799.42 = 30,259.64 : x
  2. Step 2: Convert to fraction form
    48,411.07/66,799.42 = 30,259.64/x
  3. Step 3: Cross multiply
    48,411.07x = 66,799.42 × 30,259.64
  4. Step 4: Simplify right side
    48,411.07x = 2,021,326,492.76
  5. Step 5: Solve for x
    x = 2,021,326,492.76/48,411.07
  6. Step 6: Final answer
    x = 41,753.40

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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.