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Finding the Fourth Proportional to 45,547.51, 68,313.51 and 12,260.15

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Solution

The fourth proportional to 45,547.51, 68,313.51 and 12,260.15 is: 18,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,547.51 : 68,313.51 = 12,260.15 : x
  2. Step 2: Convert to fraction form
    45,547.51/68,313.51 = 12,260.15/x
  3. Step 3: Cross multiply
    45,547.51x = 68,313.51 × 12,260.15
  4. Step 4: Simplify right side
    45,547.51x = 837,533,879.63
  5. Step 5: Solve for x
    x = 837,533,879.63/45,547.51
  6. Step 6: Final answer
    x = 18,388.14

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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.