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Finding the Fourth Proportional to 52,762.10, 72,813.52 and 28,888.93

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Solution

The fourth proportional to 52,762.10, 72,813.52 and 28,888.93 is: 39,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,762.10 : 72,813.52 = 28,888.93 : x
  2. Step 2: Convert to fraction form
    52,762.10/72,813.52 = 28,888.93/x
  3. Step 3: Cross multiply
    52,762.10x = 72,813.52 × 28,888.93
  4. Step 4: Simplify right side
    52,762.10x = 2,103,504,809.46
  5. Step 5: Solve for x
    x = 2,103,504,809.46/52,762.10
  6. Step 6: Final answer
    x = 39,867.73

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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.