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Finding the Fourth Proportional to 52,801.40, 72,859.02 and 31,572.92

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Solution

The fourth proportional to 52,801.40, 72,859.02 and 31,572.92 is: 43,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.40 : 72,859.02 = 31,572.92 : x
  2. Step 2: Convert to fraction form
    52,801.40/72,859.02 = 31,572.92/x
  3. Step 3: Cross multiply
    52,801.40x = 72,859.02 × 31,572.92
  4. Step 4: Simplify right side
    52,801.40x = 2,300,372,009.74
  5. Step 5: Solve for x
    x = 2,300,372,009.74/52,801.40
  6. Step 6: Final answer
    x = 43,566.50

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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.