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Finding the Fourth Proportional to 60,661,681.80, 90,992,522.70 and 33,735,337.80

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Solution

The fourth proportional to 60,661,681.80, 90,992,522.70 and 33,735,337.80 is: 50,603,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661,681.80 : 90,992,522.70 = 33,735,337.80 : x
  2. Step 2: Convert to fraction form
    60,661,681.80/90,992,522.70 = 33,735,337.80/x
  3. Step 3: Cross multiply
    60,661,681.80x = 90,992,522.70 × 33,735,337.80
  4. Step 4: Simplify right side
    60,661,681.80x = 3,069,663,490,558,668
  5. Step 5: Solve for x
    x = 3,069,663,490,558,668/60,661,681.80
  6. Step 6: Final answer
    x = 50,603,006.70

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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.