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Finding the Fourth Proportional to 9,275.95, 12,800.66 and 5,026.91

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Solution

The fourth proportional to 9,275.95, 12,800.66 and 5,026.91 is: 6,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.95 : 12,800.66 = 5,026.91 : x
  2. Step 2: Convert to fraction form
    9,275.95/12,800.66 = 5,026.91/x
  3. Step 3: Cross multiply
    9,275.95x = 12,800.66 × 5,026.91
  4. Step 4: Simplify right side
    9,275.95x = 64,347,701.76
  5. Step 5: Solve for x
    x = 64,347,701.76/9,275.95
  6. Step 6: Final answer
    x = 6,937.05

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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.