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Finding the Fourth Proportional to 60,009.76, 89,998.80 and 17,878.48

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Solution

The fourth proportional to 60,009.76, 89,998.80 and 17,878.48 is: 26,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.76 : 89,998.80 = 17,878.48 : x
  2. Step 2: Convert to fraction form
    60,009.76/89,998.80 = 17,878.48/x
  3. Step 3: Cross multiply
    60,009.76x = 89,998.80 × 17,878.48
  4. Step 4: Simplify right side
    60,009.76x = 1,609,041,745.82
  5. Step 5: Solve for x
    x = 1,609,041,745.82/60,009.76
  6. Step 6: Final answer
    x = 26,813.00

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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.