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Finding the Fourth Proportional to 60,045.72, 90,081.44 and 17,929.11

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Solution

The fourth proportional to 60,045.72, 90,081.44 and 17,929.11 is: 26,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,045.72 : 90,081.44 = 17,929.11 : x
  2. Step 2: Convert to fraction form
    60,045.72/90,081.44 = 17,929.11/x
  3. Step 3: Cross multiply
    60,045.72x = 90,081.44 × 17,929.11
  4. Step 4: Simplify right side
    60,045.72x = 1,615,080,362.11
  5. Step 5: Solve for x
    x = 1,615,080,362.11/60,045.72
  6. Step 6: Final answer
    x = 26,897.51

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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.