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Finding the Fourth Proportional to 61,341.68, 84,693.43 and 45,210.94

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Solution

The fourth proportional to 61,341.68, 84,693.43 and 45,210.94 is: 62,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,341.68 : 84,693.43 = 45,210.94 : x
  2. Step 2: Convert to fraction form
    61,341.68/84,693.43 = 45,210.94/x
  3. Step 3: Cross multiply
    61,341.68x = 84,693.43 × 45,210.94
  4. Step 4: Simplify right side
    61,341.68x = 3,829,069,426.90
  5. Step 5: Solve for x
    x = 3,829,069,426.90/61,341.68
  6. Step 6: Final answer
    x = 62,421.98

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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.