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Finding the Fourth Proportional to 9,017.76, 13,521.22 and 3,746.40

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Solution

The fourth proportional to 9,017.76, 13,521.22 and 3,746.40 is: 5,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.76 : 13,521.22 = 3,746.40 : x
  2. Step 2: Convert to fraction form
    9,017.76/13,521.22 = 3,746.40/x
  3. Step 3: Cross multiply
    9,017.76x = 13,521.22 × 3,746.40
  4. Step 4: Simplify right side
    9,017.76x = 50,655,898.61
  5. Step 5: Solve for x
    x = 50,655,898.61/9,017.76
  6. Step 6: Final answer
    x = 5,617.35

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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.