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Finding the Fourth Proportional to 52,678.46, 72,695.22 and 28,804.88

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Solution

The fourth proportional to 52,678.46, 72,695.22 and 28,804.88 is: 39,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.46 : 72,695.22 = 28,804.88 : x
  2. Step 2: Convert to fraction form
    52,678.46/72,695.22 = 28,804.88/x
  3. Step 3: Cross multiply
    52,678.46x = 72,695.22 × 28,804.88
  4. Step 4: Simplify right side
    52,678.46x = 2,093,977,088.67
  5. Step 5: Solve for x
    x = 2,093,977,088.67/52,678.46
  6. Step 6: Final answer
    x = 39,750.16

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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.