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Finding the Fourth Proportional to 18,547.93, 25,597.53 and 11,478.46

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Solution

The fourth proportional to 18,547.93, 25,597.53 and 11,478.46 is: 15,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.93 : 25,597.53 = 11,478.46 : x
  2. Step 2: Convert to fraction form
    18,547.93/25,597.53 = 11,478.46/x
  3. Step 3: Cross multiply
    18,547.93x = 25,597.53 × 11,478.46
  4. Step 4: Simplify right side
    18,547.93x = 293,820,224.20
  5. Step 5: Solve for x
    x = 293,820,224.20/18,547.93
  6. Step 6: Final answer
    x = 15,841.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.