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Finding the Fourth Proportional to 15,800.97, 23,681.01 and 6,430.08

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Solution

The fourth proportional to 15,800.97, 23,681.01 and 6,430.08 is: 9,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800.97 : 23,681.01 = 6,430.08 : x
  2. Step 2: Convert to fraction form
    15,800.97/23,681.01 = 6,430.08/x
  3. Step 3: Cross multiply
    15,800.97x = 23,681.01 × 6,430.08
  4. Step 4: Simplify right side
    15,800.97x = 152,270,865.53
  5. Step 5: Solve for x
    x = 152,270,865.53/15,800.97
  6. Step 6: Final answer
    x = 9,636.80

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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.