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Finding the Fourth Proportional to 64,457.93, 88,957.31 and 35,780.29

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Solution

The fourth proportional to 64,457.93, 88,957.31 and 35,780.29 is: 49,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457.93 : 88,957.31 = 35,780.29 : x
  2. Step 2: Convert to fraction form
    64,457.93/88,957.31 = 35,780.29/x
  3. Step 3: Cross multiply
    64,457.93x = 88,957.31 × 35,780.29
  4. Step 4: Simplify right side
    64,457.93x = 3,182,917,948.13
  5. Step 5: Solve for x
    x = 3,182,917,948.13/64,457.93
  6. Step 6: Final answer
    x = 49,379.77

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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.