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Finding the Fourth Proportional to 13,101.36, 19,646.16 and 5,702.16

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Solution

The fourth proportional to 13,101.36, 19,646.16 and 5,702.16 is: 8,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.36 : 19,646.16 = 5,702.16 : x
  2. Step 2: Convert to fraction form
    13,101.36/19,646.16 = 5,702.16/x
  3. Step 3: Cross multiply
    13,101.36x = 19,646.16 × 5,702.16
  4. Step 4: Simplify right side
    13,101.36x = 112,025,547.71
  5. Step 5: Solve for x
    x = 112,025,547.71/13,101.36
  6. Step 6: Final answer
    x = 8,550.68

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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.