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Finding the Fourth Proportional to 48,752.93, 67,285.72 and 28,056.00

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Solution

The fourth proportional to 48,752.93, 67,285.72 and 28,056.00 is: 38,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.93 : 67,285.72 = 28,056.00 : x
  2. Step 2: Convert to fraction form
    48,752.93/67,285.72 = 28,056.00/x
  3. Step 3: Cross multiply
    48,752.93x = 67,285.72 × 28,056.00
  4. Step 4: Simplify right side
    48,752.93x = 1,887,768,108.68
  5. Step 5: Solve for x
    x = 1,887,768,108.68/48,752.93
  6. Step 6: Final answer
    x = 38,721.12

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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.