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Finding the Fourth Proportional to 35,358.56, 48,795.48 and 19,442.72

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Solution

The fourth proportional to 35,358.56, 48,795.48 and 19,442.72 is: 26,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.56 : 48,795.48 = 19,442.72 : x
  2. Step 2: Convert to fraction form
    35,358.56/48,795.48 = 19,442.72/x
  3. Step 3: Cross multiply
    35,358.56x = 48,795.48 × 19,442.72
  4. Step 4: Simplify right side
    35,358.56x = 948,716,854.91
  5. Step 5: Solve for x
    x = 948,716,854.91/35,358.56
  6. Step 6: Final answer
    x = 26,831.32

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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.