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Finding the Fourth Proportional to 46,891.50, 64,711.07 and 28,986.04

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Solution

The fourth proportional to 46,891.50, 64,711.07 and 28,986.04 is: 40,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891.50 : 64,711.07 = 28,986.04 : x
  2. Step 2: Convert to fraction form
    46,891.50/64,711.07 = 28,986.04/x
  3. Step 3: Cross multiply
    46,891.50x = 64,711.07 × 28,986.04
  4. Step 4: Simplify right side
    46,891.50x = 1,875,717,663.46
  5. Step 5: Solve for x
    x = 1,875,717,663.46/46,891.50
  6. Step 6: Final answer
    x = 40,001.23

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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.