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Finding the Fourth Proportional to 93,802.89, 129,460.32 and 53,507.40

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Solution

The fourth proportional to 93,802.89, 129,460.32 and 53,507.40 is: 73,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,802.89 : 129,460.32 = 53,507.40 : x
  2. Step 2: Convert to fraction form
    93,802.89/129,460.32 = 53,507.40/x
  3. Step 3: Cross multiply
    93,802.89x = 129,460.32 × 53,507.40
  4. Step 4: Simplify right side
    93,802.89x = 6,927,085,126.37
  5. Step 5: Solve for x
    x = 6,927,085,126.37/93,802.89
  6. Step 6: Final answer
    x = 73,847.25

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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.