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Finding the Fourth Proportional to 35,312.02, 52,968.13 and 8,658.13

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Solution

The fourth proportional to 35,312.02, 52,968.13 and 8,658.13 is: 12,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,312.02 : 52,968.13 = 8,658.13 : x
  2. Step 2: Convert to fraction form
    35,312.02/52,968.13 = 8,658.13/x
  3. Step 3: Cross multiply
    35,312.02x = 52,968.13 × 8,658.13
  4. Step 4: Simplify right side
    35,312.02x = 458,604,955.40
  5. Step 5: Solve for x
    x = 458,604,955.40/35,312.02
  6. Step 6: Final answer
    x = 12,987.22

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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.