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Finding the Fourth Proportional to 35,354.35, 53,030.58 and 8,700.58

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Solution

The fourth proportional to 35,354.35, 53,030.58 and 8,700.58 is: 13,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.35 : 53,030.58 = 8,700.58 : x
  2. Step 2: Convert to fraction form
    35,354.35/53,030.58 = 8,700.58/x
  3. Step 3: Cross multiply
    35,354.35x = 53,030.58 × 8,700.58
  4. Step 4: Simplify right side
    35,354.35x = 461,396,803.74
  5. Step 5: Solve for x
    x = 461,396,803.74/35,354.35
  6. Step 6: Final answer
    x = 13,050.64

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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.