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Finding the Fourth Proportional to 60,430.80, 90,634.86 and 25,370.76

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Solution

The fourth proportional to 60,430.80, 90,634.86 and 25,370.76 is: 38,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,430.80 : 90,634.86 = 25,370.76 : x
  2. Step 2: Convert to fraction form
    60,430.80/90,634.86 = 25,370.76/x
  3. Step 3: Cross multiply
    60,430.80x = 90,634.86 × 25,370.76
  4. Step 4: Simplify right side
    60,430.80x = 2,299,475,280.69
  5. Step 5: Solve for x
    x = 2,299,475,280.69/60,430.80
  6. Step 6: Final answer
    x = 38,051.38

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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.