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Finding the Fourth Proportional to 60,018.69, 90,023.72 and 26,288.13

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Solution

The fourth proportional to 60,018.69, 90,023.72 and 26,288.13 is: 39,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.69 : 90,023.72 = 26,288.13 : x
  2. Step 2: Convert to fraction form
    60,018.69/90,023.72 = 26,288.13/x
  3. Step 3: Cross multiply
    60,018.69x = 90,023.72 × 26,288.13
  4. Step 4: Simplify right side
    60,018.69x = 2,366,555,123.00
  5. Step 5: Solve for x
    x = 2,366,555,123.00/60,018.69
  6. Step 6: Final answer
    x = 39,430.30

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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.