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Finding the Fourth Proportional to 60,365.58, 90,548.38 and 20,922.72

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Solution

The fourth proportional to 60,365.58, 90,548.38 and 20,922.72 is: 31,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,365.58 : 90,548.38 = 20,922.72 : x
  2. Step 2: Convert to fraction form
    60,365.58/90,548.38 = 20,922.72/x
  3. Step 3: Cross multiply
    60,365.58x = 90,548.38 × 20,922.72
  4. Step 4: Simplify right side
    60,365.58x = 1,894,518,401.19
  5. Step 5: Solve for x
    x = 1,894,518,401.19/60,365.58
  6. Step 6: Final answer
    x = 31,384.08

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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.