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Finding the Fourth Proportional to 48,840.40, 67,400.18 and 26,484.40

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Solution

The fourth proportional to 48,840.40, 67,400.18 and 26,484.40 is: 36,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840.40 : 67,400.18 = 26,484.40 : x
  2. Step 2: Convert to fraction form
    48,840.40/67,400.18 = 26,484.40/x
  3. Step 3: Cross multiply
    48,840.40x = 67,400.18 × 26,484.40
  4. Step 4: Simplify right side
    48,840.40x = 1,785,053,327.19
  5. Step 5: Solve for x
    x = 1,785,053,327.19/48,840.40
  6. Step 6: Final answer
    x = 36,548.70

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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.