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Finding the Fourth Proportional to 46,547.76, 69,811.12 and 13,267.12

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Solution

The fourth proportional to 46,547.76, 69,811.12 and 13,267.12 is: 19,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,547.76 : 69,811.12 = 13,267.12 : x
  2. Step 2: Convert to fraction form
    46,547.76/69,811.12 = 13,267.12/x
  3. Step 3: Cross multiply
    46,547.76x = 69,811.12 × 13,267.12
  4. Step 4: Simplify right side
    46,547.76x = 926,192,506.37
  5. Step 5: Solve for x
    x = 926,192,506.37/46,547.76
  6. Step 6: Final answer
    x = 19,897.68

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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.