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Finding the Fourth Proportional to 58,970.80, 88,357.60 and 25,640.88

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Solution

The fourth proportional to 58,970.80, 88,357.60 and 25,640.88 is: 38,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,970.80 : 88,357.60 = 25,640.88 : x
  2. Step 2: Convert to fraction form
    58,970.80/88,357.60 = 25,640.88/x
  3. Step 3: Cross multiply
    58,970.80x = 88,357.60 × 25,640.88
  4. Step 4: Simplify right side
    58,970.80x = 2,265,566,618.69
  5. Step 5: Solve for x
    x = 2,265,566,618.69/58,970.80
  6. Step 6: Final answer
    x = 38,418.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.