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Finding the Fourth Proportional to 64,019.36, 88,384.56 and 46,160.48

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Solution

The fourth proportional to 64,019.36, 88,384.56 and 46,160.48 is: 63,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,019.36 : 88,384.56 = 46,160.48 : x
  2. Step 2: Convert to fraction form
    64,019.36/88,384.56 = 46,160.48/x
  3. Step 3: Cross multiply
    64,019.36x = 88,384.56 × 46,160.48
  4. Step 4: Simplify right side
    64,019.36x = 4,079,873,714.19
  5. Step 5: Solve for x
    x = 4,079,873,714.19/64,019.36
  6. Step 6: Final answer
    x = 63,728.75

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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.