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Finding the Fourth Proportional to 46,547.64, 69,800.76 and 13,260.15

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Solution

The fourth proportional to 46,547.64, 69,800.76 and 13,260.15 is: 19,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,547.64 : 69,800.76 = 13,260.15 : x
  2. Step 2: Convert to fraction form
    46,547.64/69,800.76 = 13,260.15/x
  3. Step 3: Cross multiply
    46,547.64x = 69,800.76 × 13,260.15
  4. Step 4: Simplify right side
    46,547.64x = 925,568,547.71
  5. Step 5: Solve for x
    x = 925,568,547.71/46,547.64
  6. Step 6: Final answer
    x = 19,884.33

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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.