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Finding the Fourth Proportional to 55,864.63, 77,094.71 and 30,372.71

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Solution

The fourth proportional to 55,864.63, 77,094.71 and 30,372.71 is: 41,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,864.63 : 77,094.71 = 30,372.71 : x
  2. Step 2: Convert to fraction form
    55,864.63/77,094.71 = 30,372.71/x
  3. Step 3: Cross multiply
    55,864.63x = 77,094.71 × 30,372.71
  4. Step 4: Simplify right side
    55,864.63x = 2,341,575,269.36
  5. Step 5: Solve for x
    x = 2,341,575,269.36/55,864.63
  6. Step 6: Final answer
    x = 41,915.17

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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.