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Finding the Fourth Proportional to 93,580.79, 129,126.56 and 53,295.30

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Solution

The fourth proportional to 93,580.79, 129,126.56 and 53,295.30 is: 73,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,580.79 : 129,126.56 = 53,295.30 : x
  2. Step 2: Convert to fraction form
    93,580.79/129,126.56 = 53,295.30/x
  3. Step 3: Cross multiply
    93,580.79x = 129,126.56 × 53,295.30
  4. Step 4: Simplify right side
    93,580.79x = 6,881,838,486.69
  5. Step 5: Solve for x
    x = 6,881,838,486.69/93,580.79
  6. Step 6: Final answer
    x = 73,539.01

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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.