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Finding the Fourth Proportional to 47,057.40, 70,613.64 and 17,495.64

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Solution

The fourth proportional to 47,057.40, 70,613.64 and 17,495.64 is: 26,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.40 : 70,613.64 = 17,495.64 : x
  2. Step 2: Convert to fraction form
    47,057.40/70,613.64 = 17,495.64/x
  3. Step 3: Cross multiply
    47,057.40x = 70,613.64 × 17,495.64
  4. Step 4: Simplify right side
    47,057.40x = 1,235,430,824.53
  5. Step 5: Solve for x
    x = 1,235,430,824.53/47,057.40
  6. Step 6: Final answer
    x = 26,253.70

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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.