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Finding the Fourth Proportional to 61,211.40, 91,838.70 and 59,051.40

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Solution

The fourth proportional to 61,211.40, 91,838.70 and 59,051.40 is: 88,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.40 : 91,838.70 = 59,051.40 : x
  2. Step 2: Convert to fraction form
    61,211.40/91,838.70 = 59,051.40/x
  3. Step 3: Cross multiply
    61,211.40x = 91,838.70 × 59,051.40
  4. Step 4: Simplify right side
    61,211.40x = 5,423,203,809.18
  5. Step 5: Solve for x
    x = 5,423,203,809.18/61,211.40
  6. Step 6: Final answer
    x = 88,597.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.