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Finding the Fourth Proportional to 35,440.16, 48,905.48 and 19,521.48

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Solution

The fourth proportional to 35,440.16, 48,905.48 and 19,521.48 is: 26,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.16 : 48,905.48 = 19,521.48 : x
  2. Step 2: Convert to fraction form
    35,440.16/48,905.48 = 19,521.48/x
  3. Step 3: Cross multiply
    35,440.16x = 48,905.48 × 19,521.48
  4. Step 4: Simplify right side
    35,440.16x = 954,707,349.71
  5. Step 5: Solve for x
    x = 954,707,349.71/35,440.16
  6. Step 6: Final answer
    x = 26,938.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.