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Finding the Fourth Proportional to 9,800.79, 14,703.66 and 4,539.57

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Solution

The fourth proportional to 9,800.79, 14,703.66 and 4,539.57 is: 6,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.79 : 14,703.66 = 4,539.57 : x
  2. Step 2: Convert to fraction form
    9,800.79/14,703.66 = 4,539.57/x
  3. Step 3: Cross multiply
    9,800.79x = 14,703.66 × 4,539.57
  4. Step 4: Simplify right side
    9,800.79x = 66,748,293.83
  5. Step 5: Solve for x
    x = 66,748,293.83/9,800.79
  6. Step 6: Final answer
    x = 6,810.50

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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.