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Finding the Fourth Proportional to 60,038.80, 90,009.59 and 25,004.68

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Solution

The fourth proportional to 60,038.80, 90,009.59 and 25,004.68 is: 37,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038.80 : 90,009.59 = 25,004.68 : x
  2. Step 2: Convert to fraction form
    60,038.80/90,009.59 = 25,004.68/x
  3. Step 3: Cross multiply
    60,038.80x = 90,009.59 × 25,004.68
  4. Step 4: Simplify right side
    60,038.80x = 2,250,660,994.88
  5. Step 5: Solve for x
    x = 2,250,660,994.88/60,038.80
  6. Step 6: Final answer
    x = 37,486.78

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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.