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Finding the Fourth Proportional to 48,307.68, 66,669.48 and 29,455.92

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Solution

The fourth proportional to 48,307.68, 66,669.48 and 29,455.92 is: 40,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.68 : 66,669.48 = 29,455.92 : x
  2. Step 2: Convert to fraction form
    48,307.68/66,669.48 = 29,455.92/x
  3. Step 3: Cross multiply
    48,307.68x = 66,669.48 × 29,455.92
  4. Step 4: Simplify right side
    48,307.68x = 1,963,810,869.32
  5. Step 5: Solve for x
    x = 1,963,810,869.32/48,307.68
  6. Step 6: Final answer
    x = 40,652.15

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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.