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Finding the Fourth Proportional to 59,042.81, 88,172.86 and 51,888.89

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Solution

The fourth proportional to 59,042.81, 88,172.86 and 51,888.89 is: 77,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,042.81 : 88,172.86 = 51,888.89 : x
  2. Step 2: Convert to fraction form
    59,042.81/88,172.86 = 51,888.89/x
  3. Step 3: Cross multiply
    59,042.81x = 88,172.86 × 51,888.89
  4. Step 4: Simplify right side
    59,042.81x = 4,575,191,833.53
  5. Step 5: Solve for x
    x = 4,575,191,833.53/59,042.81
  6. Step 6: Final answer
    x = 77,489.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.