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Finding the Fourth Proportional to 60,023, 90,035.72 and 18,470

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Solution

The fourth proportional to 60,023, 90,035.72 and 18,470 is: 27,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,023 : 90,035.72 = 18,470 : x
  2. Step 2: Convert to fraction form
    60,023/90,035.72 = 18,470/x
  3. Step 3: Cross multiply
    60,023x = 90,035.72 × 18,470
  4. Step 4: Simplify right side
    60,023x = 1,662,959,748.40
  5. Step 5: Solve for x
    x = 1,662,959,748.40/60,023
  6. Step 6: Final answer
    x = 27,705.38

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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.