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Finding the Fourth Proportional to 61,010.40, 84,355.00 and 53,435.00

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Solution

The fourth proportional to 61,010.40, 84,355.00 and 53,435.00 is: 73,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010.40 : 84,355.00 = 53,435.00 : x
  2. Step 2: Convert to fraction form
    61,010.40/84,355.00 = 53,435.00/x
  3. Step 3: Cross multiply
    61,010.40x = 84,355.00 × 53,435.00
  4. Step 4: Simplify right side
    61,010.40x = 4,507,509,502.30
  5. Step 5: Solve for x
    x = 4,507,509,502.30/61,010.40
  6. Step 6: Final answer
    x = 73,881.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.