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Finding the Fourth Proportional to 47,364.84, 65,387.04 and 29,465.64

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Solution

The fourth proportional to 47,364.84, 65,387.04 and 29,465.64 is: 40,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,364.84 : 65,387.04 = 29,465.64 : x
  2. Step 2: Convert to fraction form
    47,364.84/65,387.04 = 29,465.64/x
  3. Step 3: Cross multiply
    47,364.84x = 65,387.04 × 29,465.64
  4. Step 4: Simplify right side
    47,364.84x = 1,926,670,981.31
  5. Step 5: Solve for x
    x = 1,926,670,981.31/47,364.84
  6. Step 6: Final answer
    x = 40,677.24

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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.