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Finding the Fourth Proportional to 40,301.70, 56,480.70 and 40,301.70

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Solution

The fourth proportional to 40,301.70, 56,480.70 and 40,301.70 is: 56,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301.70 : 56,480.70 = 40,301.70 : x
  2. Step 2: Convert to fraction form
    40,301.70/56,480.70 = 40,301.70/x
  3. Step 3: Cross multiply
    40,301.70x = 56,480.70 × 40,301.70
  4. Step 4: Simplify right side
    40,301.70x = 2,276,268,227.19
  5. Step 5: Solve for x
    x = 2,276,268,227.19/40,301.70
  6. Step 6: Final answer
    x = 56,480.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.