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Finding the Fourth Proportional to 56,957.60, 85,436.40 and 25,367.60

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Solution

The fourth proportional to 56,957.60, 85,436.40 and 25,367.60 is: 38,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.60 : 85,436.40 = 25,367.60 : x
  2. Step 2: Convert to fraction form
    56,957.60/85,436.40 = 25,367.60/x
  3. Step 3: Cross multiply
    56,957.60x = 85,436.40 × 25,367.60
  4. Step 4: Simplify right side
    56,957.60x = 2,167,316,420.64
  5. Step 5: Solve for x
    x = 2,167,316,420.64/56,957.60
  6. Step 6: Final answer
    x = 38,051.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.