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Finding the Fourth Proportional to 52,752.33, 72,798.21 and 28,878.93

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Solution

The fourth proportional to 52,752.33, 72,798.21 and 28,878.93 is: 39,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.33 : 72,798.21 = 28,878.93 : x
  2. Step 2: Convert to fraction form
    52,752.33/72,798.21 = 28,878.93/x
  3. Step 3: Cross multiply
    52,752.33x = 72,798.21 × 28,878.93
  4. Step 4: Simplify right side
    52,752.33x = 2,102,334,410.72
  5. Step 5: Solve for x
    x = 2,102,334,410.72/52,752.33
  6. Step 6: Final answer
    x = 39,852.92

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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.