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Finding the Fourth Proportional to 57,000.62, 78,671.72 and 37,585.40

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Solution

The fourth proportional to 57,000.62, 78,671.72 and 37,585.40 is: 51,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.62 : 78,671.72 = 37,585.40 : x
  2. Step 2: Convert to fraction form
    57,000.62/78,671.72 = 37,585.40/x
  3. Step 3: Cross multiply
    57,000.62x = 78,671.72 × 37,585.40
  4. Step 4: Simplify right side
    57,000.62x = 2,956,907,483.60
  5. Step 5: Solve for x
    x = 2,956,907,483.60/57,000.62
  6. Step 6: Final answer
    x = 51,875.01

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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.