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Finding the Fourth Proportional to 60,070.77, 90,050.40 and 28,495.64

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Solution

The fourth proportional to 60,070.77, 90,050.40 and 28,495.64 is: 42,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,070.77 : 90,050.40 = 28,495.64 : x
  2. Step 2: Convert to fraction form
    60,070.77/90,050.40 = 28,495.64/x
  3. Step 3: Cross multiply
    60,070.77x = 90,050.40 × 28,495.64
  4. Step 4: Simplify right side
    60,070.77x = 2,566,044,005.38
  5. Step 5: Solve for x
    x = 2,566,044,005.38/60,070.77
  6. Step 6: Final answer
    x = 42,717.02

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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.