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Finding the Fourth Proportional to 60,562.50, 90,844.56 and 19,009.50

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Solution

The fourth proportional to 60,562.50, 90,844.56 and 19,009.50 is: 28,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,562.50 : 90,844.56 = 19,009.50 : x
  2. Step 2: Convert to fraction form
    60,562.50/90,844.56 = 19,009.50/x
  3. Step 3: Cross multiply
    60,562.50x = 90,844.56 × 19,009.50
  4. Step 4: Simplify right side
    60,562.50x = 1,726,909,663.32
  5. Step 5: Solve for x
    x = 1,726,909,663.32/60,562.50
  6. Step 6: Final answer
    x = 28,514.50

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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.