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Finding the Fourth Proportional to 59,681.48, 89,503.94 and 19,693.14

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Solution

The fourth proportional to 59,681.48, 89,503.94 and 19,693.14 is: 29,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,681.48 : 89,503.94 = 19,693.14 : x
  2. Step 2: Convert to fraction form
    59,681.48/89,503.94 = 19,693.14/x
  3. Step 3: Cross multiply
    59,681.48x = 89,503.94 × 19,693.14
  4. Step 4: Simplify right side
    59,681.48x = 1,762,613,620.97
  5. Step 5: Solve for x
    x = 1,762,613,620.97/59,681.48
  6. Step 6: Final answer
    x = 29,533.68

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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.