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Finding the Fourth Proportional to 51,405.83, 70,957.92 and 35,326.39

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Solution

The fourth proportional to 51,405.83, 70,957.92 and 35,326.39 is: 48,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,405.83 : 70,957.92 = 35,326.39 : x
  2. Step 2: Convert to fraction form
    51,405.83/70,957.92 = 35,326.39/x
  3. Step 3: Cross multiply
    51,405.83x = 70,957.92 × 35,326.39
  4. Step 4: Simplify right side
    51,405.83x = 2,506,686,746.00
  5. Step 5: Solve for x
    x = 2,506,686,746.00/51,405.83
  6. Step 6: Final answer
    x = 48,762.69

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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.