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Finding the Fourth Proportional to 56,036.76, 77,330.76 and 31,837.77

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Solution

The fourth proportional to 56,036.76, 77,330.76 and 31,837.77 is: 43,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036.76 : 77,330.76 = 31,837.77 : x
  2. Step 2: Convert to fraction form
    56,036.76/77,330.76 = 31,837.77/x
  3. Step 3: Cross multiply
    56,036.76x = 77,330.76 × 31,837.77
  4. Step 4: Simplify right side
    56,036.76x = 2,462,038,950.81
  5. Step 5: Solve for x
    x = 2,462,038,950.81/56,036.76
  6. Step 6: Final answer
    x = 43,936.14

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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.