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Finding the Fourth Proportional to 62,663.63, 86,475.80 and 34,368.71

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Solution

The fourth proportional to 62,663.63, 86,475.80 and 34,368.71 is: 47,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,663.63 : 86,475.80 = 34,368.71 : x
  2. Step 2: Convert to fraction form
    62,663.63/86,475.80 = 34,368.71/x
  3. Step 3: Cross multiply
    62,663.63x = 86,475.80 × 34,368.71
  4. Step 4: Simplify right side
    62,663.63x = 2,972,061,345.76
  5. Step 5: Solve for x
    x = 2,972,061,345.76/62,663.63
  6. Step 6: Final answer
    x = 47,428.81

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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.