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Finding the Fourth Proportional to 52,967.93, 79,378.08 and 39,804.92

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Solution

The fourth proportional to 52,967.93, 79,378.08 and 39,804.92 is: 59,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,967.93 : 79,378.08 = 39,804.92 : x
  2. Step 2: Convert to fraction form
    52,967.93/79,378.08 = 39,804.92/x
  3. Step 3: Cross multiply
    52,967.93x = 79,378.08 × 39,804.92
  4. Step 4: Simplify right side
    52,967.93x = 3,159,637,875.66
  5. Step 5: Solve for x
    x = 3,159,637,875.66/52,967.93
  6. Step 6: Final answer
    x = 59,651.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.