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Finding the Fourth Proportional to 58,887.20, 88,300.40 and 17,328.80

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Solution

The fourth proportional to 58,887.20, 88,300.40 and 17,328.80 is: 25,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,887.20 : 88,300.40 = 17,328.80 : x
  2. Step 2: Convert to fraction form
    58,887.20/88,300.40 = 17,328.80/x
  3. Step 3: Cross multiply
    58,887.20x = 88,300.40 × 17,328.80
  4. Step 4: Simplify right side
    58,887.20x = 1,530,139,971.52
  5. Step 5: Solve for x
    x = 1,530,139,971.52/58,887.20
  6. Step 6: Final answer
    x = 25,984.25

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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.