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Finding the Fourth Proportional to 48,612.36, 72,918.54 and 37,535.16

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Solution

The fourth proportional to 48,612.36, 72,918.54 and 37,535.16 is: 56,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.36 : 72,918.54 = 37,535.16 : x
  2. Step 2: Convert to fraction form
    48,612.36/72,918.54 = 37,535.16/x
  3. Step 3: Cross multiply
    48,612.36x = 72,918.54 × 37,535.16
  4. Step 4: Simplify right side
    48,612.36x = 2,737,009,065.87
  5. Step 5: Solve for x
    x = 2,737,009,065.87/48,612.36
  6. Step 6: Final answer
    x = 56,302.74

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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.