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Finding the Fourth Proportional to 56,236.08, 77,602.76 and 31,084.08

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Solution

The fourth proportional to 56,236.08, 77,602.76 and 31,084.08 is: 42,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,236.08 : 77,602.76 = 31,084.08 : x
  2. Step 2: Convert to fraction form
    56,236.08/77,602.76 = 31,084.08/x
  3. Step 3: Cross multiply
    56,236.08x = 77,602.76 × 31,084.08
  4. Step 4: Simplify right side
    56,236.08x = 2,412,210,400.06
  5. Step 5: Solve for x
    x = 2,412,210,400.06/56,236.08
  6. Step 6: Final answer
    x = 42,894.36

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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.