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Finding the Fourth Proportional to 29,700.49, 44,557.38 and 9,978.51

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Solution

The fourth proportional to 29,700.49, 44,557.38 and 9,978.51 is: 14,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.49 : 44,557.38 = 9,978.51 : x
  2. Step 2: Convert to fraction form
    29,700.49/44,557.38 = 9,978.51/x
  3. Step 3: Cross multiply
    29,700.49x = 44,557.38 × 9,978.51
  4. Step 4: Simplify right side
    29,700.49x = 444,616,261.90
  5. Step 5: Solve for x
    x = 444,616,261.90/29,700.49
  6. Step 6: Final answer
    x = 14,970.00

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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.