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Finding the Fourth Proportional to 60,345.78, 90,526.61 and 22,389.88

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Solution

The fourth proportional to 60,345.78, 90,526.61 and 22,389.88 is: 33,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,345.78 : 90,526.61 = 22,389.88 : x
  2. Step 2: Convert to fraction form
    60,345.78/90,526.61 = 22,389.88/x
  3. Step 3: Cross multiply
    60,345.78x = 90,526.61 × 22,389.88
  4. Step 4: Simplify right side
    60,345.78x = 2,026,879,934.71
  5. Step 5: Solve for x
    x = 2,026,879,934.71/60,345.78
  6. Step 6: Final answer
    x = 33,587.77

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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.