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Finding the Fourth Proportional to 60,480, 90,758.88 and 23,544

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Solution

The fourth proportional to 60,480, 90,758.88 and 23,544 is: 35,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480 : 90,758.88 = 23,544 : x
  2. Step 2: Convert to fraction form
    60,480/90,758.88 = 23,544/x
  3. Step 3: Cross multiply
    60,480x = 90,758.88 × 23,544
  4. Step 4: Simplify right side
    60,480x = 2,136,827,070.72
  5. Step 5: Solve for x
    x = 2,136,827,070.72/60,480
  6. Step 6: Final answer
    x = 35,331.14

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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.