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Finding the Fourth Proportional to 47,417.84, 65,355.55 and 36,787.40

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Solution

The fourth proportional to 47,417.84, 65,355.55 and 36,787.40 is: 50,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,417.84 : 65,355.55 = 36,787.40 : x
  2. Step 2: Convert to fraction form
    47,417.84/65,355.55 = 36,787.40/x
  3. Step 3: Cross multiply
    47,417.84x = 65,355.55 × 36,787.40
  4. Step 4: Simplify right side
    47,417.84x = 2,404,260,341.32
  5. Step 5: Solve for x
    x = 2,404,260,341.32/47,417.84
  6. Step 6: Final answer
    x = 50,703.71

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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.